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Lens Opacities Classification System II (LOCS II)

Specialty:

Neurology, Psychiatry, Ophthalmology & Otolaryngology

Objective:

ICD-10:

Description:

The Lens Opacities Classification System II (LOCS II) is a method of reproducibly evaluating age-related cataracts. It involves grading 4 features of the cataract  by comparing the features seen against a standard set of transparencies. It is an extension of the LOCS I system, with an expanded number of photographic standards and the use of color rather than black and white for the images. The LOCS II does not use a measure of visual acuity since this is inconsistently correlated with the degree of cataract formation and may be affected by other eye disorders.

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