The third main type of cataract, posterior subcapsular cataracts, are less common but can be the most severe in terms of vision loss.

Posterior subcapsular cataracts are cloudy at back of the lens adjacent to the capsule (or bag) in which the lens sits.

First degree relative with NF II and the occurrence of juvenile posterior subcapsular cataract.

Myotonic dystrophy patients may have a cortical cataract with a blue dot appearance, or a posterior subcapsular cataract.

During this time, in collaboration with Dr. Leo Chylack, Jr., he demonstrated the statistical correlation between diabetes and posterior subcapsular cataracts.

Ocular lesions including anterior lenticonus, posterior subcapsular cataract, posterior polymorphous dystrophy and retinal flecks.

Smoking has been shown to lead to a two-fold increase in the rate of nuclear sclerotic cataract and a three-fold increase in posterior subcapsular cataract.

Other ocular features include waxy pallor of the optic nerve head, attenuation (thinning) of the retinal vessels, cellophane maculopathy, cystic macular edema, and posterior subcapsular cataract.

"If you think of the lens as a peach, nuclear cataracts involve the stone of the peach, cortical cataracts involve the flesh, and posterior subcapsular cataracts involve the skin," Dr. Taylor said.