Treatment for a nuclear cataract generally involves surgery to replace the affected lens. Risk factors for this form of cataract development include advanced age certain existing medical conditions and lifestyle factors. A nuclear cataract is an eye condition characterized by a centralized clouding of the lens that interferes with one s vision.
Pseudoexfoliation syndrome in kashmiri patients scheduled for cataract surgery. The most common presentation was nuclear cataract 52 4 169 followed by mixed 20 7 67 mature cataract 17 4 56 cortical cataract 6 1 20 and posterior sub capsular 3 4 11. In the early stages the progressive hardening of the lens nucleus frequently causes an increase in the refractive index of the lens and thus a myopic shift in refraction lenticular myopia.
Nuclear cataracts typically cause greater impairment of distance vision than of near vision. As the cataract slowly progresses the lens may even turn brown. But with time the lens gradually turns more densely yellow and further clouds your vision.
A nuclear cataract may at first cause more nearsightedness or even a temporary improvement in your reading vision. Cataracts affecting the center of the lens nuclear cataracts. Nuclear sclerosis is the most common type of cataract and involves the central or nuclear part of the lens.
The main types of age related cataracts are nuclear sclerosis cortical and posterior subcapsular. Cataracts may be partial or complete stationary or progressive or hard or soft. Signs and symptoms of nuclear cataracts.
A nuclear cataract begins as the hardening and yellowing of the central zone of the lens which over time expands outward to the other layers of the eyes.