A cataract is any opacity or discoloration of the lens, localized or generalized; the term is usually reserved for changes that affect visual acuity (1),(2).
Etymology: from Latin cat...
Decreased visual acuity, blurred vision, distortion, or “ghosting” of images (1),(2)
Problems with visual acuity in any lighting condition
Falls or accidents; injur...
~1.64 million cataract extractions in the United States yearly (3),(4)
As cataract progresses, an ophthalmologist may change spectacle correction to maintain vision. When this is no longer successful and interferes ...
Floppy Iris Syndrome
H26.9 Unspecified cataract
H25.9 Unspecified age-related cataract
Q12.0 Congenital cataract
H26.40 Unspecified secondary cataract
H26.32 Drug-induced cataract, left eye
H26.491 Other secondary c...
Cataracts are the leading cause of blindness worldwide; 90% are age-related.
Primary indication for cataract surgery is visual impairment leading to significant lifestyle changes for th...
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Cataract vs. normal lens. Cataract versus normal lens.
Figure 2.12. Mature cataract with complete opacification of the lens.
Figure 11.52. Anterior polar cataracts. Right eye (A) and left eye (B) of the same patient.
Figure 11.53. Zonular cataracts. A, B: The clear peripheral cortex is easily seen. The "riders" are visible in B.