First Samsung Eye Clinic

First Samsung Eye Clinic

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Presbyopia·Cataracts Clinic

Presbyopia·Cataracts Clinic

What is Presbyopia, Cataracts? Clareon PanOptix Pro Pure Toric Cataract Surgery Types of Cataract Intraocular Lense Presbyopia Lens Implantation
Visual Correction Clinic

Visual Correction Clinic

Wavelight Plus (PersonalEYES™) Contoura Vision Clear Smile Intraocular Lens Implantation Keratoplasty Dream Lens
Retina Center

Retina Center

What is the retina? Myiodesopsia Retinal Detachment Epiretinal membrane Macular Degeneration Diabetic Retinopathy Retinal Vascular Occlusion
Revision Surgery Clinic

Revision Surgery Clinic

Cataract Refractive Revision Surgery Clinic Visual Correction Revision Surgery Clinic
Eye Disease Clinic

Eye Disease Clinic

Dry Eye Syndrome Conical cornea
Community

Community

Notice Surgery Experience FAQ
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How long should I stop wearing contact lenses before my preoperative examination?

For accurate measurements, we generally recommend stopping contact lens wear for at least one week before the examination. Contact lenses can temporarily alter corneal shape and tear-film quality, affecting the results. Rigid gas-permeable lenses and orthokeratology (Ortho-K) lenses may require a longer break. Please tell us which lenses you wear and how long you have used them so we can advise you on the appropriate interval.
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33 
Can I have an examination now and decide about surgery later?
Of course. You can have your eyes examined, review your options, and take time to decide whether to proceed with surgery. In non-urgent cases, monitoring or nonsurgical treatment may be appropriate. U...
32 
What is the difference between LASIK, LASEK, and SMILE?
LASIK reshapes the cornea with a laser after creating a corneal flap. LASEK reshapes the cornea after removing the surface epithelium. SMILE-type procedures create a small disc of tissue, called a len...
31 
Why does vision sometimes get worse again after laser eye surgery?
There are several possible reasons, including progression of myopia, dry eye, residual astigmatism, corneal changes, and age-related changes in the natural lens. A vision test and detailed corneal exa...
30 
Why is corneal thickness particularly important for a second laser procedure?
An enhancement procedure removes additional tissue from a cornea that has already undergone surgery. We consider the residual stromal bed, total corneal thickness, corneal shape, and expected treatmen...
29 
Can glare and halos that started after LASIK be treated?
Additional treatment may be considered if glare and halos are related to an irregular cornea or the position of the original treatment zone. However, dry eye, pupil size, or changes in the natural len...
28 
What are my options if another laser procedure is not safe for my corneas?
If further corneal laser treatment is not appropriate, glasses, contact lenses, or an implantable lens may be considered, depending on the eye. If corneal ectasia is suspected, stabilizing the cornea ...
27 
When is the right time to have cataract surgery?
A cataract diagnosis does not always mean you need surgery right away. Surgery is usually considered when changing your glasses no longer provides satisfactory vision or when daily activities such as ...
26 
Why do I need a retinal examination before cataract surgery?
Retinal conditions such as epiretinal membrane, age-related macular degeneration, and diabetic retinopathy can affect visual outcomes and the choice of IOL. When indicated, we perform a dilated retina...
25 
When does an intraocular lens need to be exchanged?
IOL exchange may be considered if a lens becomes dislocated, if its power is significantly different from what the eye needs, or if substantial lens-related symptoms persist despite treatment of other...
24 
My intraocular lens has moved out of position. How can it be treated?
When an IOL moves out of its normal position, vision may become blurry or objects may appear doubled. Treatment may involve repositioning or exchanging the lens. If there is insufficient tissue to sup...
23 
Do I need a new IOL if I develop a secondary cataract?
What is commonly called a “secondary cataract” is usually posterior capsule opacification (PCO). When treatment is needed, it can often be managed with a YAG laser capsulotomy rather than an IOL excha...
22 
Can an intraocular lens still be exchanged many years after cataract surgery?
An older IOL may still be exchanged, but surgery can become more challenging as adhesions develop between the lens and capsular bag over time. We compare the likely benefits and risks of exchange and ...