Most people who have radial keratotomy (RK) surgery
gradually become more farsighted for at least 8 to 10 years after surgery. This
is called the hyperopic shift. It is not clear what causes
the shift, how long it may continue, or how significant it may become.
The effect of the hyperopic shift depends on the person's age and whether
the person is nearsighted or farsighted after the surgery:
Pterygium (pronounced tur-IJ-ee-um) is a common eye condition that affects people who spend a lot of time outdoors. People with pterygium have a growth of pink, fleshy tissue on the white of the eye. It usually forms on the side closest to the nose.
Pterygium is also known as surfer's eye because it often affects surfers.
It is a noncancerous lesion that usually grows slowly throughout life. Or it may stop growing after a certain point. In rare cases a pterygium can continue growing until it covers...