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https://hdl.handle.net/2440/51663
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Type: | Journal article |
Title: | Anterior chamber depth and primary angle-closure glaucoma: an evolutionary perspective |
Author: | Casson, R. |
Citation: | Clinical and Experimental Ophthalmology, 2008; 36(1):70-77 |
Publisher: | Blackwell Publishing Asia |
Issue Date: | 2008 |
ISSN: | 1442-6404 1442-9071 |
Statement of Responsibility: | Robert J Casson |
Abstract: | Anterior chamber depth is an inheritable trait which is affected by age, gender and race. Over 30 years ago, Alsbirk proposed that the shallow anterior chamber, which was typical of the Greenlandic Inuit, and which brings the iris in proximity to the cornea, may have evolved as a thermoregulatory adaptation to resist corneal freezing. Here, this hypothesis is revisited. Recent population genetic data which provide evidence for migration patterns of early humans are discussed and the notions of natural selection and ocular adaptation to cold climates are considered. Problems with the hypothesis are examined, but the idea that the shallow anterior chamber has a thermoregulatory role appears sound and suggests that shallow anterior chambers may have evolved in Homo sapiens living in north-east Asia during the last Ice Age. |
Keywords: | anterior chamber angle-closure glaucoma evolution. |
Description: | Journal compilation © 2008 Royal Australian and New Zealand College of Ophthalmologists |
DOI: | 10.1111/j.1442-9071.2008.01672.x |
Published version: | http://dx.doi.org/10.1111/j.1442-9071.2008.01672.x |
Appears in Collections: | Aurora harvest Opthalmology & Visual Sciences publications |
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