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Eye Care FAQs: Straight Answers to the Questions Patients Ask Us Most

NABH Accredited· 1.2 Lakh+ Surgeries· 20+ Years of Trust· Specialist-Led

53 answers, reviewed by our specialists

AppointmentsCosts & InsuranceCataract SurgeryLaser VisionGlaucomaRetina & DiabeticChildren & SquintCornea & Dry Eye

Most people arrive at an eye hospital with the same handful of worries: what will it cost, will it hurt, how long will I be off work, and do I really need surgery at all. This page answers 53 of those questions plainly, using the same information our senior specialists give patients in the consulting room at our Sector 15 Part 2 centre in Gurgaon.

How to use this page: these are short, general answers to the eye care and eye surgery questions Gurgaon patients ask us most. Where you need depth — candidacy criteria, technology detail, full cost breakdowns — follow the link in the answer to the relevant treatment page. Nothing here replaces an eye examination, and we will always tell you plainly if a procedure is not right for you.

Appointments, Visiting & What to Expect

7 answers
You can book online at dayaleyecentre.in/book-an-appointment/, call or WhatsApp us on +91 81786 39701, or email wecare@dayaleyecentre.in. Tell us the main complaint when you book — a routine vision check, a diabetic retina screening and a LASIK evaluation need different appointment lengths and different equipment, so booking the right slot saves you a second trip.
We do see walk-in patients, but we cannot promise a same-day slot with a specific sub-speciality consultant, and waiting times vary with the day’s surgical list. If you need a particular specialist — retina, squint, oculoplasty, glaucoma — please call ahead on +91 81786 39701. Genuine emergencies such as sudden vision loss, injury or severe pain are attended to as a priority.
Bring your current glasses and your last spectacle prescription, any contact lenses you wear (with the box or power details), a list of medicines you take, and previous eye reports, OCT scans or discharge summaries. If you have diabetes or high blood pressure, bring your recent HbA1c or sugar readings. Insurance patients should carry the policy card, TPA card and a photo ID.
Plan for about 45 to 90 minutes. A basic vision and pressure check is quicker, but if your pupils need dilating you will wait roughly 30 to 45 minutes for the drops to work before the doctor can examine the back of the eye. Detailed workups — a LASIK evaluation with corneal tomography, or a glaucoma workup with fields and OCT — take longer.
Dilating drops widen the pupil so we can examine the retina and optic nerve properly. They blur near vision and make bright light uncomfortable for roughly four to six hours. Please do not drive yourself home after dilation — bring someone with you, or plan for a cab or auto. Sunglasses help. The effect wears off on its own.
We are open Monday to Saturday, 8:30 AM to 7:30 PM, and closed on Sunday. Ward visiting hours are also 8:30 AM to 7:30 PM. If something urgent happens on a Sunday, call or WhatsApp +91 81786 39701 for guidance. Booking a weekday morning slot is usually the quickest, as afternoons carry more post-operative review patients.
No referral is needed — you can book directly. Second opinions are welcome and common, particularly before cataract or retinal surgery, or when someone has been told their glasses number cannot be corrected. Bring all prior reports and scans so our specialist reviews the same evidence. We will tell you honestly if we agree with the plan you have already been given.

Costs, Insurance & EMI

8 answers
Consultation fees vary by specialist and are confirmed when you book. Pre-surgery screening — the investigations done before cataract or laser vision correction — is typically ₹3,000 to ₹3,500. Post-surgery medicines usually work out to around ₹3,000. LASIK follow-up visits are approximately ₹1,000 each; SMILE follow-ups are included for the first month. All figures are indicative starting ranges, not a quotation.
Cataract surgery at our centre generally ranges from ₹26,000 to ₹93,000 per eye, and the lens you choose drives most of that difference: monofocal ₹18,000–₹50,000, multifocal ₹15,000–₹90,000, toric ₹45,000–₹75,000, and accommodating lenses ₹1,00,000–₹1,50,000. Femto-laser-assisted surgery (FLACS) is charged in addition. Your final figure depends on your eye measurements, lens choice and investigation findings.
Indicative starting ranges are: SBK LASIK ₹30,000–₹40,000; standard LASIK from ₹40,000, typically ₹70,000–₹84,000; PRK, Epi-Contoura and StreamLight ₹40,000–₹70,000; Femto LASIK ₹80,000–₹1,00,000; Contoura Vision ₹95,000–₹1,05,000; and SMILE from ₹1,25,000. Which of these you are eligible for is a clinical decision, not a budget one — see our LASIK cost page and consult with our doctors.
Yes. We offer cashless treatment across a wide panel of insurers and TPAs, including Star Health, Niva Bupa, HDFC ERGO, TATA AIG, Bajaj Allianz, Aditya Birla Health, Reliance General, SBI General and the four PSU insurers, plus TPAs such as Medi Assist, Paramount, MD India, FHPL and Vidal. Share your policy details at least two to three working days before surgery so pre-authorisation can be raised. Full list: policies and insurance.
Yes. We are empanelled for CGHS, ECHS, Ayushman Bharat (PM-JAY) and the Health Department, Government of Haryana. Each scheme has its own referral, card and approval process, and covered procedures and lens categories are defined by the scheme rather than by us. Bring your scheme card and any referral letter to your first visit so our insurance desk can check eligibility before you plan surgery.
Usually not. Most Indian health policies treat laser vision correction as an elective refractive procedure and exclude it, and some cover it only above a defined power threshold or after a waiting period. Read your policy wording or ask your insurer directly before assuming cover. Where a procedure is not payable, Easy EMI is the route most of our LASIK and SMILE patients use.
Yes. We offer Easy EMI through Savein, and EMI is also available via NBFC partners and select debit-card options; a nominal processing fee may apply. LASIK and other laser vision correction, cataract surgery and retina procedures are all EMI-eligible. We also accept cash, card, UPI and net banking. Our front desk can work out a monthly figure before you commit to a date.
A surgical package typically covers the surgeon’s fee, operation theatre charges, the intraocular lens or laser procedure itself, anaesthesia and the immediate post-operative review. Pre-surgery investigations, take-home medicines, spectacles prescribed afterwards, treatment of unrelated conditions and any extended stay are generally billed separately. Ask our front desk for a written, itemised estimate for your specific case before you fix a date.

Cataract Surgery (Motiyabind / Safed Motia)

7 answers
When the clouding of your natural lens starts interfering with what you need to do — reading, night driving, recognising faces, working — rather than at any fixed “maturity”. There is no benefit in waiting until a cataract hardens; a dense cataract is technically more demanding to remove. Your surgeon will weigh your vision, your daily activities and the state of the rest of your eye.
Phaco is the standard modern cataract operation. Through a small self-sealing incision of around 2 to 2.8 mm, ultrasound energy breaks the cloudy lens into fragments that are gently suctioned out, and a foldable intraocular lens is placed in the same capsule. Because the incision is tiny, most eyes need no stitches. Dr. Sanjeev Bisla has personally performed over 80,000 cataract surgeries.
FLACS is femto-laser-assisted cataract surgery: a femtosecond laser makes the corneal incision, the circular opening in the lens capsule and the initial lens fragmentation before the surgeon completes the procedure. It adds computer-guided precision to those specific steps and costs more. It suits some eyes better than others — dense lenses, astigmatism correction, premium lens implantation. Your surgeon will explain whether it adds anything in your case.
Monofocal lenses give clear vision at one distance, usually far, with reading glasses for near. Multifocal and trifocal lenses share light across distances and reduce dependence on glasses, but some people notice haloes at night. Toric lenses correct significant corneal astigmatism. Accommodating lenses attempt to shift focus. The right choice depends on your eye anatomy, your work and your tolerance for night-time glare — discuss it with our doctors.
For most patients it is a day-care procedure. You arrive in the morning, the surgery itself usually takes 15 to 30 minutes under numbing drops, and you go home the same day after a short observation period. Our centre also has an in-patient ward with general, semi-private and private rooms for patients who need admission for medical reasons or travel distance.
Vision is often noticeably clearer within 24 to 48 hours and continues settling over four to six weeks as the eye heals and the prescription stabilises. Expect mild grittiness, watering and light sensitivity early on. Antibiotic and anti-inflammatory drops are tapered over about a month. Avoid rubbing the eye, swimming, dusty environments and heavy lifting until your surgeon clears you.
Most surgeons stage the two eyes a few days to a few weeks apart so the first eye can be assessed before the second is operated; same-day bilateral surgery is done only in selected situations. Age itself is not a barrier — many of our cataract patients are in their eighties. What matters is your general fitness and the health of your cornea, retina and optic nerve.

Laser Vision Correction & Specs Removal

7 answers
Broadly: adults 18 and over with a stable glasses number for at least 12 months, adequate corneal thickness, a healthy cornea and retina, no active eye infection or uncontrolled dry eye, and realistic expectations. Keratoconus, some autoimmune conditions and pregnancy rule it out for now. Suitability depends on a detailed evaluation — not every patient is a candidate, and we will tell you plainly if you are not.
LASIK lifts a thin corneal flap and reshapes the tissue beneath. SMILE is flapless: a small lenticule is removed through a keyhole incision. Contoura Vision is a topography-guided LASIK treatment mapped to your own corneal irregularities. PRK works on the surface, with no flap, useful for thinner corneas. ICL implants a lens inside the eye without removing corneal tissue — suited to high powers or thin corneas.
You should be at least 18, and ideally your prescription should not have changed by more than about 0.5 dioptre in the past year. Two consecutive stable readings are more convincing than one. Powers still drifting in the late teens or early twenties are common, and operating on a moving target simply means the number returns. We would rather you wait than repeat.
Thin corneas are one of the commonest reasons we decline LASIK, because enough tissue must remain untouched underneath for long-term corneal stability. That does not end the conversation — surface procedures like PRK or Epi-Contoura remove less depth, and ICL removes no corneal tissue at all. Our OCULUS Pentacam tomography measurement is what settles this question.
Most LASIK, Contoura and SMILE patients are back at a desk within two to three days, with screen breaks and lubricating drops. Surface procedures such as PRK need about a week off, and vision keeps sharpening for several weeks. Avoid swimming pools for two to four weeks, eye make-up for about a week, and dusty or smoky environments early on.
The tissue reshaping itself is stable, but your eyes keep ageing. A small residual or regressed power can appear, particularly in higher prescriptions, and everyone develops presbyopia — the near-vision change that starts around 40 — regardless of laser surgery. Cataract can also develop later in life. This is why we describe the goal as reducing dependence on glasses, not eliminating it.
Temporary dryness is the commonest side effect, usually most noticeable in the first three to six months and managed with lubricating drops. For armed forces, paramilitary, police and NDA/CDS applications, permitted procedures, minimum age, maximum power and the time gap required after surgery differ by board and by entry scheme, and the rules change. Confirm the current criteria with the specific recruitment board before you book surgery.

Comparison: laser vision correction options at a glance

ProcedureFlap or flaplessTypical functional recoveryOften suited to
Standard / Femto LASIKCorneal flap1–2 days for most daily tasksLow to moderate myopia and astigmatism, adequate corneal thickness
Contoura Vision (topography-guided)Corneal flap1–2 daysEyes with irregular corneal topography or higher-order aberrations
ReLEx SMILEFlapless (keyhole)1–3 daysMyopia with astigmatism; active lifestyles and contact-sport players
PRK / Epi-Contoura / StreamLightFlapless (surface)4–7 days, vision settles over weeksThinner corneas, certain occupational requirements
ICL (implantable lens)No corneal tissue removed1–3 daysHigh power, thin corneas, or when laser is unsuitable

Recovery timelines are typical, not promised. Which procedure suits you is decided after corneal tomography and a full evaluation — consult with our doctors.

Glaucoma (Kala Motia)

6 answers
Glaucoma usually damages peripheral vision first, and the brain fills in the missing areas using the other eye. By the time someone notices a gap, a meaningful amount of optic nerve has already been affected. That is why it is picked up on examination — raised eye pressure, a suspicious optic disc, or a field defect — long before a patient feels anything is wrong.
We suggest a baseline check from age 40, and earlier if you have a first-degree relative with glaucoma, high eye pressure, high myopia, long-term steroid use, diabetes, or a past eye injury. Those with risk factors are generally reviewed annually or more often. Screening involves pressure measurement, optic nerve examination, OCT and Humphrey visual field testing.
No. Optic nerve fibres that have already been lost do not regenerate, and vision lost to glaucoma does not come back. Treatment aims at something different but valuable: lowering eye pressure enough to protect the vision you still have and slow further loss. This is also why early detection matters so much — it is what determines how much sight there is left to protect.
Most patients start on pressure-lowering eye drops, used daily and long-term. Laser procedures are considered when drops are not enough, not tolerated, or not being used consistently. Surgery — trabeculectomy or a drainage implant — is for pressures that remain damaging despite other measures. Indicative ranges are laser ₹35,000–₹40,000, trabeculectomy ₹30,000–₹40,000 and drainage implants ₹40,000–₹50,000, subject to consultation.
Typically every three to six months, adjusted to how stable your pressure and visual fields are. Reviews usually include eye pressure, optic nerve imaging on OCT and a visual field test on the Humphrey Field Analyzer, compared against your own previous scans rather than a population average. Skipping reviews is the commonest reason a stable case quietly becomes an unstable one.
Get a baseline examination now, whatever your age, and tell us the family history. Having a parent or sibling with glaucoma raises your own risk several times over, so we screen earlier and repeat more often. Your first set of scans also becomes the reference point every future test is compared against, which makes small changes far easier to detect.

Retina & Diabetic Eye Care

6 answers
Occasional floaters that have been there for years are usually harmless. A sudden shower of new floaters, repeated flashes of light, or a dark curtain or shadow moving across your vision needs examination the same day, because these can signal a retinal tear or detachment. Do not wait to see whether it settles overnight — call us on +91 81786 39701.
At least once a year, starting at diagnosis for type 2 diabetes, even when vision feels normal — diabetic retinopathy is silent in its early stages. More frequent review is advised if changes are already present, if your HbA1c is poorly controlled, or during pregnancy. Screening at our centre uses dilated examination, CX-1 digital retinal imaging and OCT where indicated.
AMD affects the macula, the small central part of the retina responsible for detailed vision. Straight lines start looking wavy, and a blurred or blank patch develops in the centre while side vision stays intact. The dry form progresses slowly; the wet form involves abnormal blood vessels and can change vision over weeks, so it needs prompt assessment and treatment.
It is one of the few genuine ophthalmic emergencies. A detached retina loses its blood supply, and the longer it stays detached — especially once the macula is involved — the less visual recovery is typically possible. Surgery is usually needed within days, sometimes sooner. If you see a curtain, shadow or sudden loss in part of your field, come in immediately.
These are medicines — most often anti-VEGF agents or steroids — delivered directly into the vitreous gel to treat diabetic macular oedema, wet AMD and retinal vein occlusions. The eye is numbed with drops first, the injection takes seconds, and most patients report pressure rather than pain. They are usually given as a course over several months, with OCT scans guiding how many you need.
Vitrectomy removes the vitreous gel to repair problems at the back of the eye. Vision is blurry at first and clears gradually over weeks to months, depending on what was treated. If a gas bubble is placed, you may need to hold a specific head position for several days and must not fly until it absorbs. Our vitreo-retinal team reviews you closely throughout.

Children’s Eyes & Squint (Bhengapan)

6 answers
A newborn check for structural problems, a screening around six months to one year, another before starting school at three to four years, and then every one to two years. Bring them sooner if you notice a squint, head tilt, sitting close to the television, frequent eye rubbing, or one eye that looks different in photographs.
There is no single safe number, but published research links prolonged near work and limited outdoor time with faster myopia progression in children. Practical guidance we give parents: use the 20-20-20 rule, keep screens at arm’s length, and aim for around two hours of outdoor daylight daily. Outdoor time appears to be the more protective factor.
A squint (bhengapan) shows as one eye turning in, out, up or down — constantly or only when the child is tired or unwell. Watch also for head tilting, closing one eye in bright light, double vision complaints, or poor depth perception. Lazy eye (amblyopia) often has no outward sign at all, which is why pre-school vision screening matters.
Treatment is most effective while the visual system is still developing, broadly up to about eight years of age, using glasses, patching or atropine drops. Older children and adults can sometimes gain some improvement, but results are more limited and less predictable. If you suspect amblyopia in a young child, bring them in early — timing genuinely changes what is achievable.
Yes. Adult squint surgery can realign the eyes, and beyond appearance it may help double vision, abnormal head posture and eye strain. It is not purely cosmetic, and many patients report a real difference in confidence at work and socially. Our paediatric ophthalmology and strabismus specialist assesses eye muscle balance in detail before advising whether surgery or prisms suit you.
Myopia control is now a recognised approach: options include specially designed spectacle lenses, low-dose atropine drops and orthokeratology (Ortho-K) lenses worn overnight, alongside more outdoor time and structured screen breaks. These aim to slow progression rather than stop it, and the right choice depends on your child’s age, current power and rate of change.

Cornea, Dry Eye & Everyday Eye Problems

6 answers
Long screen sessions cut your blink rate sharply, so the tear film evaporates faster; air conditioning, contact lenses, certain medicines and hormonal changes add to it. Symptoms are burning, grittiness, watering and fluctuating vision. Lubricating drops, deliberate blinking, the 20-20-20 rule, warm compresses for blocked oil glands and screen positioning below eye level all help. Persistent dryness needs a tear film assessment.
Keratoconus is a progressive thinning and cone-like bulging of the cornea, usually starting in the teens or twenties, causing distorted vision and rapidly changing power that glasses correct poorly. Corneal collagen cross-linking (CXL) uses riboflavin and controlled UV light to strengthen the corneal fibres, with the aim of halting progression. It stabilises rather than restores, so early diagnosis on Pentacam tomography matters.
A mildly red, watery eye with no pain and normal vision is often conjunctivitis and settles. Come in promptly if there is significant pain, blurred vision, light sensitivity, a foreign body sensation that will not clear, discharge that keeps returning, or redness after an injury or while wearing contact lenses. Redness in one eye with pain is the pattern that concerns us most.
Wash and dry your hands before handling lenses, use fresh solution every time rather than topping up, replace the case every one to three months, and respect the replacement schedule for your lens type. Never sleep in lenses unless they are specifically prescribed for overnight wear, and never rinse them in tap water. Remove them and come in if the eye becomes red or painful.
Most styes — a tender, red lump at the lid margin from a blocked oil gland — settle within a week or two. Warm compresses for five to ten minutes, three or four times a day, plus gentle lid hygiene, help them drain. Do not squeeze or attempt to pop it. See us if it grows, keeps recurring, affects vision or the whole lid swells.
It contributes. Published research associates diets rich in leafy greens, coloured vegetables, omega-3 fatty acids and the carotenoids lutein and zeaxanthin with better long-term macular health, and antioxidant formulations are used in specific stages of AMD. Diet does not reverse cataract, glaucoma or refractive error. Controlling blood sugar and blood pressure, and not smoking, protect your eyes more than any supplement.

When does an eye symptom need urgent attention?

SymptomHow soon to be seenWhy it matters
Sudden loss of vision in one eyeImmediately, same dayMay indicate retinal artery or vein occlusion, retinal detachment or optic nerve involvement
Curtain or shadow across vision, sudden shower of floaters or flashesSame daySuggests a possible retinal tear or detachment; outcomes depend on time
Chemical splash or penetrating injuryImmediately, after rinsing with clean water for 15–20 minutesOngoing tissue damage; needs assessment and irrigation
Severe eye pain with redness, haloes, nausea or vomitingImmediatelyCan indicate acute angle-closure glaucoma with rapidly rising pressure
Red, painful eye in a contact lens wearerWithin 24 hoursRisk of corneal ulcer or infection that can scar the cornea
New double vision or a sudden droopy eyelidWithin 24 hoursMay reflect a nerve or neurological cause needing prompt work-up
Straight lines looking wavy or a central blank patchWithin a few daysTypical of macular disease, including wet AMD
Gradual blurring, glare at night, frequent power changeRoutine appointmentCommon in cataract, uncorrected refractive error or early retinal change

If you are unsure which column you fall into, call or WhatsApp +91 81786 39701 and describe the symptom — we would far rather assess you and find nothing.

Browse FAQs by Speciality
Cataract FAQs Refractive & LASIK FAQs Retina FAQs Cornea FAQs Glaucoma FAQs Oculoplasty FAQs Paediatric FAQs
Still Have Questions?

Consult With Our Doctors

If your question is not answered here — or the answer is "it depends on your eyes" — book an examination and get a specific answer from a senior specialist. Six sub-specialities operate under one roof at our single Gurgaon centre, with three modular operation theatres and an in-patient ward.

Dayal Eye Centre
DR. BISLA HEALTHCARE PRIVATE LIMITED
Address
808 B, Galaxy Road, Sector 15 Part 2, Near 32nd Avenue, Gurgaon, Haryana 122001. Right beside 32nd Avenue (about 150 m), just off NH-48.
Phone / WhatsApp
+91 81786 39701
Hours
Monday–Saturday, 8:30 AM – 7:30 PM · Sunday closed (ward visiting 8:30 AM – 7:30 PM)
Getting Here

IFFCO Chowk metro on the Yellow Line is about 3.5–4 km away (10–12 minutes) and is the most practical metro option; Millennium City Centre is about 4 km and MG Road about 5 km. IGI Airport T3 is roughly 16–20 km (30–40 minutes) via NH-48 or the Dwarka Expressway. Gurugram Bus Stand / ISBT Sector 12 is 2.5–3 km, with local stops at ITI Colony and Old DLF Colony Sector 14 about 1.2 km away. Shared autos and e-rickshaws are readily available outside, at 32nd Avenue and along the NH-48 service road. On-site parking, ramps and lifts for wheelchair access.

Results

Individual results vary based on eye condition, prescription/power range, corneal thickness, age, overall eye health and healing response. Outcomes shown or described are not a promise of a specific result.

Pricing

All costs are indicative starting ranges and are subject to an individual consultation and eye examination. They are not a quotation.

Medical

This page is for general information and is not a substitute for a medical consultation, diagnosis or treatment. Please consult with our doctors about your own eyes.

Medically reviewed by Dr. Sanjeev Bisla, MBBS, MS (Ophthalmology), Director — Dayal Eye Centre · Editorial Policy