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. 1988 Mar;106(3):330-4.
doi: 10.1001/archopht.1988.01060130356020.

Lens Opacities Classification System

L T Chylack Jr  1 , M C Leske, R Sperduto, P Khu, D McCarthy
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Lens Opacities Classification System

L T Chylack Jr et al. Arch Ophthalmol. 1988 Mar.

Abstract

The Lens Opacities Classification System (LOCS) is a simple system for classifying age-related human lens opacities at the slit lamp or in retroilluminated and slit-lamp photographs. The system employs a set of standard Neitz CTR retroilluminated black-and-white photographs for classification of cortical and posterior subcapsular cataracts and a single color slit-lamp photograph for classification of nuclear color and opalescence. We present a detailed description of the system.

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