A Cataract Is Defined as Any Opacification of the Lens

Multiple Choice

A cataract is defined as any opacification of the lens.Cataracts may be congenital,posttraumatic,or induced by medications,but are most commonly the result of age-related changes.Which of the following statements about cataracts best describes its presentation or etiology (cause) ?

A) A cataract can be compared to a window that is frosted or yellowed.
B) Cataracts can be classified as brittle or pliable,based on collagen matrix fibers in the capsule.
C) Cataracts are an early sign of type 1 diabetes.
D) The cloudiness is caused by clumping of lipoproteins in the lens capsule.