Refractive Surgery Week - Radial Keratotomy.


1. Scars of Radial Keratotomy.


It is an incisional refractive surgery done for myopia.

Deep, radial corneal stromal incisions are made of 90-95% depth in the paracentral and peripheral cornea.


Effect: Weakens the paracentral and peripheral cornea and causes it to bulge outwards and secondarily flattens the central cornea.


Indications:

-Moderate myopia (-1 to -4D).


Contraindications:

-Night drivers (causes glare).

-Sports players.


This procedure is abandoned now because of it's various complications.

-Diurnal fluctuations.

-Increased astigmatism and distortion.

-Instability of refractive error.

-Perforation of cornea.

-Predisposed to infectious keratitis.

-Starburst pattern and glare


Have you seen patients with RK scars in your OPD?


www.ophthalmobytes.com

Image from Rajan Eye Care Hospital⁣

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