May 20th 2016 – Maxivision Super Specialty Eye Hospital, one of the leading eye care facilities in India, today announced a Back to School initiative to support students returning to school after an unusually hot summer.
PRK or Surface ablation is another way to correct refractive error. Like LASIK, PRK uses an excimer laser to reshape the cornea. In PRK, the surface of the cornea is treated rather than creating a corneal flap. Here we remove first layer of cornea (epithelium) and then an Excimer laser removes ultrathin layers from corneal stroma to alter the curvature of the cornea.
PRK is available for treatment of mild or low amounts of myopia, hyperopia, and astigmatism. The final visual result with PRK is similar to LASIK; however, due to the need for the corneal surface to heal, the visual recovery is usually slower than with LASIK.
In PRK procedure, outer most layer of cornea is removed mechanically or by Excimer laser and then on exposed cornea Excimer laser is applied. This laser will remove/ablate precalculated ultrathin corneal tissue, which will reshape cornea and patient becomes spectacle free.
Advantages of PRK surgeries include short procedure time, long term safe surgery. It gives excellent result in small power. Disadvantages include dry eyes, slow recovery, initial day’s discomfort, regression.