Eye Conditions

Conditions that may influence your cataract surgery or IOL choice. Each requires clinical evaluation by an ophthalmologist.

Conditions to be aware of

Astigmatism

Irregular corneal curvature that causes blurred vision at all distances. Toric IOLs can address this during cataract surgery.

5 min read

Glaucoma

Optic-nerve damage with characteristic visual-field loss. Eye pressure is the main modifiable risk factor, but glaucoma can occur without a high pressure reading.

5 min read

Coming soon

Macular degeneration

Damage to the central retina (macula) that affects detailed vision. Multifocal lenses may be less suitable.

Dry eye before cataract surgery

Why tear-film instability can affect IOL measurements, astigmatism planning and visual quality.

4 min read

Coming soon

Corneal disease

Conditions affecting the cornea that may limit the predictability of IOL outcomes.

Cataract surgery after LASIK / PRK / RK

How previous refractive surgery changes corneal measurements, IOL calculation and lens-choice discussions.

4 min read

Retinal detachment warning signs

New floaters, flashes or a dark curtain can be an emergency. Learn who is at risk and when to seek urgent care.

4 min read

Coming soon

High myopia

Very nearsighted eyes have different structural characteristics that may affect IOL choice.

Important: the information on this page is for educational purposes only. If you have any of these conditions, discuss them directly with your ophthalmologist. They will evaluate how the condition affects your candidacy for specific IOL types.

IOL Adviser provides educational content only. It does not replace professional medical advice, diagnosis, or treatment from a qualified ophthalmologist or eye surgeon.