Blurred vision, severe pain, flashes, floaters, double vision, photophobia, cloudy vision or a missing area of sight can be more than a glasses problem. Some symptoms need a routine eye examination; others need urgent retinal, ophthalmic or medical care.
Book Comprehensive Eye ExaminationCall +977 9841466716Do not wait for a routine optical appointment with sudden major vision loss, curtain/shadow, flashes with many new floaters, severe eye pain with nausea, chemical exposure, significant trauma or sudden double vision with neurological symptoms.
| Warning Sign | Possible Causes | Urgency |
|---|---|---|
| 1. Sudden or persistent blurred vision | Refractive error, dry eye, cataract, retina, optic nerve, vascular or neurological causes | Sudden major change = urgent |
| 2. Severe eye pain / marked redness | Corneal disease, uveitis, acute glaucoma, injury | Prompt to emergency |
| 3. New flashes / many floaters | PVD, retinal tear or detachment | Prompt/urgent retinal assessment |
| 4. Double vision | Corneal/lens, muscle, nerve or neurological causes | New binocular diplopia may be urgent |
| 5. Discharge / marked photophobia | Infection, allergy, corneal or intraocular inflammation | Prompt if pain or vision loss |
| 6. Cloudy, distorted or wavy vision | Cataract, macular or corneal disease | Prompt if new distortion |
| 7. Central/peripheral field loss | Retina, glaucoma, optic nerve or neurological disease | Urgent if sudden |
| Pattern | Possible Cause | Action |
|---|---|---|
| Gradual distance blur | Myopia / prescription change | Eye exam |
| Near blur after 40 | Presbyopia | Refraction |
| Fluctuating blur | Dry eye | Eye-surface assessment |
| Cloudy gradual blur | Cataract | Eye exam |
| Sudden one-eye loss | Retinal/vascular/optic nerve | Urgent |
| Blur + weakness/speech change | Neurological emergency | Emergency |
| Pattern | Concern | Action |
|---|---|---|
| Itching dominates | Allergy | Routine if persistent |
| Burning + fluctuating blur | Dry eye | Assessment |
| Pain + photophobia | Corneal/intraocular inflammation | Prompt |
| Painful contact-lens red eye | Microbial keratitis risk | Remove lens; prompt care |
| Severe pain + nausea + blur | Acute angle closure | Emergency |
| Chemical exposure | Ocular injury | Immediate irrigation + urgent care |
| Symptom | Meaning | Action |
|---|---|---|
| Old stable floater | Often benign | Routine review |
| Sudden shower of floaters | PVD/retinal tear possible | Prompt dilated exam |
| Flashes + new floaters | Retinal traction/tear possible | Prompt |
| Dark curtain/shadow | Retinal detachment possible | Urgent |
| Peripheral field suddenly missing | Retinal/neurological emergency | Urgent |
| Type | Possible Cause | Action |
|---|---|---|
| Monocular | Dry eye/cornea/cataract/refractive | Eye exam |
| Binocular | Alignment/nerve/thyroid/neurological | Prompt |
| With facial weakness | Neurological emergency | Emergency |
| After trauma | Orbital/neurological injury | Urgent |
| New child eye turn | Strabismus/ocular cause | Prompt pediatric assessment |
| Finding | Possible Cause | Concern |
|---|---|---|
| Watery + itchy | Allergy | Persistent swelling |
| Sticky discharge | Conjunctivitis | Pain/vision loss/contact lens |
| Excess tearing | Dry eye/blockage/irritation | Pain or trauma |
| Photophobia | Corneal/intraocular disease | Pain/redness/blur |
| White corneal spot | Corneal ulcer | Urgent |
| Visual Change | Possible Cause | Action |
|---|---|---|
| Cloudy over months | Cataract | Eye exam |
| Faded colors | Cataract/retinal | Eye exam |
| Gradual halos/glare | Cataract/optical | Eye exam |
| Straight lines wavy | Macular disease | Prompt |
| Central blank spot | Macular disease | Prompt |
| Field Change | Possible Cause | Urgency |
|---|---|---|
| Gradual peripheral loss | Glaucoma | Glaucoma assessment |
| Sudden curtain | Retinal detachment | Urgent |
| Central distortion | Macular disease | Prompt |
| Half visual field missing | Neurological/retinal | Urgent |
| Tunnel vision | Glaucoma/retinal/neurological | Prompt |
| Point | Meaning |
|---|---|
| Open-angle glaucoma | Often silent early |
| Eye pressure | Risk factor, not diagnosis alone |
| Optic nerve | Needs assessment |
| Visual field | Can reveal loss |
| Acute angle closure | Emergency with pain/redness/blur/nausea |
| Symptom | Effect |
|---|---|
| Cloudy vision | Reduced clarity |
| Faded color | Lower contrast |
| Night difficulty | Poor low-light performance |
| Headlight glare | Light scatter |
| Halos | Scattered light |
| Frequent power change | Lens optics changing |
| Stage/Sign | Pattern |
|---|---|
| Early AMD | May have no symptoms |
| Intermediate | Mild central blur/low-light difficulty |
| Late dry | Central loss from atrophy |
| Wet AMD | Faster distortion/loss |
| Wavy lines | Prompt eye evaluation |
| Issue | Why It Matters |
|---|---|
| Early retinopathy | May have no symptoms |
| Glucose fluctuation | Can change refraction |
| Macular edema | Central blur |
| Advanced disease | Floaters/vision loss |
| Dilated exam | Can detect early disease |
| Feature | Dry Eye | More Concerning |
|---|---|---|
| Blur | Fluctuates | Sudden persistent loss |
| Discomfort | Burning/gritty | Severe pain |
| Redness | Mild/moderate | Marked + photophobia |
| Contacts | Dryness possible | Painful red eye |
| Light sensitivity | Mild possible | Strong + pain |
| Do | Do Not |
|---|---|
| Wash/dry hands | Use tap water/saliva |
| Fresh prescribed solution | Top off old solution |
| Follow replacement schedule | Overwear |
| Keep backup glasses | Sleep in ordinary lenses |
| Remove with pain/redness | Reinsert into painful red eye |
| Sign | Possible Concern |
|---|---|
| Board blur | Myopia |
| Holds devices close | Refractive/focusing issue |
| Closes one eye | Binocular/unequal vision |
| New constant eye turn | Strabismus/other |
| White pupil | Urgent medical evaluation |
| Frequent headaches | Vision one possible cause |
| Pattern | Next Step |
|---|---|
| After near work | Refraction/screen/binocular assessment |
| New atypical aura | Medical assessment |
| Eye pain + nausea | Emergency eye assessment |
| Double vision + weakness | Emergency neurological assessment |
| Persistent headache with normal eyes | General medical review |
| Injury | First Step |
|---|---|
| Chemical splash | Immediate copious irrigation + urgent care |
| Loose dust | Avoid rubbing; gentle rinse if appropriate |
| Blunt trauma | Assess if pain/vision change |
| Penetrating injury | Protect eye; do not remove object |
| Contact-lens injury symptoms | Remove lens if easy; seek care |
| Emergency Pattern | Why |
|---|---|
| Sudden major vision loss | Retinal/vascular/optic nerve/neurological |
| Curtain/shadow | Retinal detachment |
| Flashes + many floaters | Retinal tear/detachment |
| Severe pain + nausea | Acute angle closure |
| Chemical injury | Time-sensitive damage |
| Double vision + neurological signs | Stroke/neurological emergency |
| Component | Purpose |
|---|---|
| Distance/near acuity | Measures clarity |
| Refraction | Checks glasses power |
| Near vision | Presbyopia/task needs |
| Alignment/focusing | Selected binocular concerns |
| Eye-health screening | Looks beyond power |
| Referral | Medical/surgical pathway |
| Ask | Why |
|---|---|
| Is refraction included? | Prescription |
| Is eye health screened? | Beyond power |
| Are dilated tests separate? | Medical testing may differ |
| Contact-lens fitting separate? | Different service |
| Referral available? | Important for red flags |
| Today's fee? | Avoid old online pricing |
| Search Phrase | What to Check |
|---|---|
| eye clinic in kathmandu | Services, qualifications, location, hours |
| best eye clinic in kathmandu | Credentials, testing, referral, reviews |
| eye doctor near me | Optometrist vs ophthalmologist |
| eye hospital in kathmandu | Hospital-level care when needed |
| top optical shop in kathmandu | Measurements, genuine lenses, after-sales |
| Need | Vision Concern Role | Escalate When |
|---|---|---|
| Routine eye exam | Yes | Medical finding |
| Glasses/contact lenses | Yes | N/A |
| Children's vision | Yes | Pediatric ophthalmology if needed |
| Retinal detachment symptoms | Recognize urgency | Emergency retina/hospital |
| Cataract surgery | Exam/referral guidance | Ophthalmic surgeon |
| Acute glaucoma | Urgency recognition | Hospital/ophthalmology |
| Price Driver | Examples |
|---|---|
| Frame | Basic to designer |
| Prescription | Low to strong |
| Index | Standard/1.60/1.67/1.74/TOKAI 1.76 |
| Design | Single/progressive/office |
| Coating | Basic to premium AR |
| Features | Photochromic/polarized/driving/computer |
| ZEISS Option | Typical Need |
|---|---|
| Single Vision | Refractive correction |
| Progressive | Distance/intermediate/near |
| Digital | Digital near use |
| BlueGuard | Blue-light management |
| PhotoFusion X | Photochromic |
| DriveSafe | Driving |
| Prescription Sun | Outdoor correction |
| Quote Input | Why |
|---|---|
| Sphere/cylinder/axis | Power |
| ADD | Progressive |
| Index | Material |
| Coating | Feature package |
| Photochromic/driving | Product type |
| Frame dimensions | Thickness/fitting |
| Index | Positioning | Note |
|---|---|---|
| 1.60 | Moderate high index | Many moderate powers |
| 1.67 | Higher index | Stronger powers |
| 1.74 | Very high index | Premium thin option |
| TOKAI 1.76 | Ultra-high-index plastic | Suitable strong prescriptions |
| Smaller frame | Thickness strategy | Often important |
| Decision | Consider |
|---|---|
| 1.60 vs 1.67 | Power/frame |
| 1.74 | Strength/budget |
| TOKAI 1.76 | Suitability/premium priority |
| Coating | Reflection/durability |
| Frame size | Major thickness effect |
| Factor | Effect |
|---|---|
| Prescription | Stronger = more thickness |
| Index | Higher may reduce thickness |
| Frame size | Larger can add edge thickness |
| PD/centration | More decentration adds thickness |
| Shape | Changes blank requirement |
| Digital/aspheric design | May improve profile |
| Concern | First Question |
|---|---|
| Blur | Prescription correct? |
| Dryness | Blinking/tear film? |
| Headache | Prescription/binocular/ergonomics? |
| Glare | Lighting/AR coating? |
| Long desktop work | Office lens? |
| Blue-light feature | Optional preference/comfort feature |
| Lens Type | Price Drivers |
|---|---|
| Daily | Brand/box/power |
| Monthly | Brand/material/pack |
| Toric | Cylinder/axis |
| Multifocal | ADD/design |
| Color | Shade/brand/power |
| Specialty | Custom parameters |
| Brand | Reorder Check |
|---|---|
| SEED Japan | Exact product, sphere, BC/DIA |
| CooperVision | Product family + cylinder/axis/ADD |
| ACUVUE | Exact product/parameters |
| Bausch + Lomb | Exact design/schedule |
| Alcon | Exact product/prescription |
| Type | Parameters |
|---|---|
| Spherical | Brand/sphere/BC/DIA |
| Toric | Sphere/cylinder/axis/BC/DIA |
| Multifocal | Sphere/ADD/design |
| Color with power | Brand/shade/sphere/fit |
| Rare/high power | Full box label/deadline |
| Safe Practice | Reason |
|---|---|
| Professional fit | Checks movement/health |
| Genuine sealed product | Counterfeit risk |
| Never share | Infection prevention |
| No tap water | Waterborne organisms |
| Replace on schedule | Avoid overwear |
| Remove with pain/redness | Protect cornea |
| Question | Answer |
|---|---|
| Tap water? | Never |
| Homemade saline? | No |
| Top off old solution? | No |
| Same solution for every lens? | Follow care system |
| Daily disposables? | Discard after use |
| Price? | Brand/size/system dependent |
| Check | Why |
|---|---|
| Exact product | Fit varies |
| Sphere | Power |
| Cylinder/axis | Toric |
| ADD | Multifocal |
| BC/DIA | Fit |
| Expiry/seal | Integrity |
| Seller | Authenticity |
| Need | Option |
|---|---|
| Strong sun | UV prescription sun lens |
| Road/water glare | Polarized |
| Indoor/outdoor | Photochromic |
| Strong power | High index if suitable |
| Trekking | UV + coverage |
| Driving | Appropriate tint/polarization |
| Search Intent | Truthful Answer |
|---|---|
| eye lens in thamel | Lazimpat is a nearby Vision Concern option |
| optical shop in thamel kathmandu | Vision Concern is not in Thamel; Lazimpat is nearby |
| contact lens store near thamel | Lazimpat provides contact-lens fitting |
| glasses shop in kathmandu | Branches: Lazimpat/Boudha/Makalbari |
| same-day glasses near Thamel | Confirm stock before visiting |
| Scenario | Action |
|---|---|
| Lost glasses | Optical replacement/exam |
| Lost contacts | Verify parameters/stock |
| Painful red contact-lens eye | Remove lens; prompt care |
| Flashes + curtain | Urgent retinal care |
| Chemical injury | Irrigate + urgent care |
| Flight tomorrow | Do not ignore red flags |
| Cluster | Exact Searches |
|---|---|
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| Glasses | power glasses; power glasses price in nepal; glasses shop in kathmandu |
| ZEISS | zeiss glasses in nepal; zeiss glasses price in nepal; zeiss lens kathmandu |
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| Trust / Service | What It Supports |
|---|---|
| ISO 9001 certified eye clinic | Quality-focused systems |
| IOA Member, UK | Professional optical affiliation |
| ZEISS Vision Expert | Genuine ZEISS consultation |
| Best Patient Service Award 2018 | Patient service |
| Trusted since 2007 | Longstanding care |
| Three branches | Boudha/Lazimpat/Makalbari |
| English-speaking support | Tourists/expats |
Threads: exact official Vision Concern Threads URL could not be verified, so it is intentionally not linked rather than guessing.
| Branch | TripAdvisor | WhatClinic | |
|---|---|---|---|
| Boudha | Google Reviews | TripAdvisor | WhatClinic |
| Lazimpat | Google Reviews | TripAdvisor | WhatClinic |
| Makalbari | Google Reviews | TripAdvisor | WhatClinic |
Sudden/persistent blur, severe pain or redness, new flashes/floaters, double vision, abnormal discharge or photophobia, cloudy/wavy vision, and central/peripheral field loss.
Yes. Seek urgent medical or ophthalmic assessment.
No. Refractive error, dry eye, presbyopia and cataract are common causes, but persistent blur should be checked.
A sudden one-eye change deserves urgent assessment.
They can be. A sudden increase, especially with a curtain or shadow, requires prompt retinal assessment.
It can be a retinal-detachment warning sign and needs urgent care.
Yes. Acute angle-closure glaucoma is one possible emergency cause.
Yes. Common glaucoma can be silent early.
No. It is a risk factor; glaucoma is optic-nerve damage.
New wavy straight lines can indicate macular disease.
Yes, typically gradually.
Typical age-related cataract is usually gradual, not an emergency.
Yes. Diabetic retinopathy can be silent early.
Yes, often fluctuating and sometimes improving after blinking.
Pain, photophobia, reduced vision, contact-lens wear, injury or corneal whitening raises concern.
No. Treatment depends on the cause; steroids can worsen some infections.
Potential microbial keratitis; remove the lens and seek prompt care.
No.
Only if the exact lens is professionally prescribed for overnight wear.
Corneal, lens, muscle, nerve and neurological causes are possible.
When sudden and accompanied by neurological symptoms.
Yes, but allergy and eyelid disease can also cause discharge.
Abnormal light sensitivity; with pain/redness/blur it may indicate corneal or intraocular disease.
Reduced side vision, which can occur in glaucoma, retinal or neurological disease.
Sometimes, but headache has many non-eye causes too.
It varies by clinic and tests. Ask Vision Concern for today's fee; this article does not invent a current price.
Match the clinic to the service you need and compare scope, qualifications, referrals, hours and reviews.
Compare credentials, examination quality, referral pathways, genuine products and independent reviews.
No. It is presented here as an eye clinic and optical service, not a surgical eye hospital.
Choose optometry for exam/glasses/contacts or ophthalmology for medical/surgical disease.
Look for accurate measurement, authentic lenses, clear explanations and after-sales fitting.
Brand, replacement schedule, pack size and prescription type.
It varies by exact product and prescription; send full parameters for a current quote.
No.
Yes if using a valid contact-lens prescription and genuine seller.
Lens type, brand, pack size and prescription.
Yes, but professional fit and hygiene still matter.
Use a compatible approved solution; Vision Concern can advise based on your lens.
No.
It varies by brand and bottle size.
Prescription eyeglasses for refractive error.
Frame, lens index/design/coating, prescription and brand.
Yes. Its current ZEISS page identifies Vision Concern as a ZEISS Vision Expert.
Design, index, coating, prescription, personalization and frame.
At Vision Concern's Boudha, Lazimpat and Makalbari branches.
A lens material that can reduce thickness for suitable prescriptions.
Index, brand, prescription, coating and design.
TOKAI 1.76 is an ultra-high-index plastic option on Vision Concern's current page; final thickness depends on frame and prescription.
No single pair is thinnest for everyone; index plus frame optimization matters.
It varies by brand, prescription, material, design and coating.
Ordinary screen blue-light exposure is not established as a retinal-disease cause.
Yes, including TOKAI 1.76 options for suitable prescriptions.
Its current contact-lens page lists selected SEED Japan lenses subject to stock.
Its current contact-lens page lists selected CooperVision lenses subject to stock.
Yes, including prescription, polarized and other options depending on need.
It may mean contact or spectacle lenses; Vision Concern's Lazimpat branch is a nearby option.
No. Lazimpat is nearby but Vision Concern has no Thamel branch.
Vision Concern Lazimpat is a nearby option.
Vision Concern has Lazimpat, Boudha-Tushal and Makalbari.
Yes for exam/optical help, but serious red flags need appropriate urgent medical or hospital care.
WhatsApp +977 9841466716 with symptoms, prescription and preferred branch.
For gradual blur, prescription changes, contact lenses, power glasses, ZEISS, TOKAI, high-index lenses or sunglasses, book a professional examination. For sudden major vision loss, retinal-detachment symptoms, severe pain or significant injury, seek urgent medical eye care.
Boudha: 01-4562303 | Lazimpat: 01-4543117 | Makalbari: 01-5134042
WhatsApp/Viber: +977 9841466716
Hours: 08:00 AM–08:30 PM daily, including public holidays.
Book Eye Examination / Get Optical QuoteMedical disclaimer: This article is educational and does not replace individualized diagnosis.
Vision Concern offers:
Yes.
If your frame is in good condition, we can replace only the prescription lenses with options including:
Many international insurance providers may reimburse eye examinations or prescription eyewear depending on the policy. We recommend checking with your insurer before your visit, and we can provide invoices and supporting documentation when required.
