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Article
August 1968

The Retinal Pigment EpitheliumIII. Growth and Development

Author Affiliations

Boston
From the Department of Ophthalmology, Boston University School of Medicine, Boston. Dr. Ts'o is presently a fellow in ophthalmic pathology at the Armed Forces Institute of Pathology, Washington, DC.

Arch Ophthalmol. 1968;80(2):214-216. doi:10.1001/archopht.1968.00980050216012
Abstract

A quantitative analysis of the retinal pigment epithelium (RPE) was accomplished by examining ten eyes obtained postmortem from eight individuals between the ages of four months of gestation and 96 years. The RPE was found to consist of a dynamic population of cells which change in number and dimensions as a function of age and location in the eye. The total number of RPE cells per eye was estimated at 4.2 to 6.1 million with greater numbers in older eyes. The degenerative changes involving the peripheral RPE were postulated to be the result of a disparity between the rate of growth of the RPE and the sclera in this region.

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