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Management of cataract in primary health care services. * 2nd ed. 1.Cataract 2.Cataract extraction 3.Pn'mary health care — organization and administration. ISBN 92 4 154499 6 (NLM Classi?cation: WW 260). The World Health Organization welcomes requests for permission to reproduce or translate its publications, in part

Cataracts can be classified by using the lens opacities classification system LOCS III. In this system, cataracts are classified based on type as nuclear, cortical, or posterior. The cataracts are further classified based on severity on a scale from 1 to 5. The LOCS III system is highly reproducible.
14 Apr 2014 Cataracts are cloudy or misty patches that occur in the lens of the eye and blur vision. Cataracts are the most common cause of poor vision and can even cause blindness in severe cases.
CLASSIFICATION OF CATARACT AND LENS HARDNESS. P. HEYWORTHl, G. M. THOMPSONl, H. TABANDEHl and S. McGUIGAN2. London. SUMMARY. 'Hardness' of the cataractous lens is one of the major fac tors influencing the suitability of a patient for phaco emulsification. Surgeons should be able to estimate.
tyPES oF CAtARACtS AnD. tHEiR unDERLyinG ConDitionS. SUPPLEMENT TO. AND. See Cataracton Page 3. Figure 1. Lens anatomy. Figure 2. Nuclear sclerosis initially presents as central yellowing with opacif cation. Figure 3. Peripheral cortical changes do not affect vision and are simply monitored over time. Figure 4.
A composite slit-lamp based system for the clinical classification and grading of cataract is described. Cataract features are classified morphologically, and individual features are graded by comparison with standard diagrams mounted adjacent to the slit-lamp. Attention has been paid to relevant aspects of measurement
14 Jun 2009 DEFINITION AND CLASSIFICATION OF CATARACT.
he Lens Opacities Classi?cation. System II (LOGS II) was intro- duced in 1989,1 was validated by other investigators in 1989 and 1991,2'“ and has been used in epidemiologic studies of the natural history of age-related cataract. It has also been compared with objective means of measuring cat- aract type and cataract
Abstract. A cataract classification and grading system for the main purpose of cataract epidemiological studies is proposed by the Japanese Cooperative Cataract Epidemiology Study Group. Cataractous types are classified principally into cortical, nuclear and subcapsular opacities. Stages of cataract advancement are

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February 2018