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August 1975

Intraocular Irrigating Solutions: Their Effect on the Corneal Endothelium

Author Affiliations

From the departments of physiology and ophthalmology, the Medical College of Wisconsin, Milwaukee; and the Research Service of the Veterans Administration Center, Wood, Wis.

Arch Ophthalmol. 1975;93(8):648-657. doi:10.1001/archopht.1975.01010020614011

The effects of several intraocular irrigating solutions on the corneal endothelium of rabbit and monkey corneas were evaluated, utilizing a specular microscope perfusion system with both scanning and transmission electron microscopy. Corneas perfused with 0.9% sterile isotonic physiological saline swell at a rate of 60μm to 90μm/hr; endothelial cells separate from each other and show extensive degenerative changes. Corneas perfused with lactated Ringer solution swell at a rate of 37μm to 40μ/hr, and the endothelial cells show slower, but progressive degeneration. Corneas perfused with balanced salt solution swell at 24μm to 31μm/hr, and degenerative changes become severe only after two hours. Corneas perfused with Ringer solution containing bicarbonate, reduced glutathione, and adenosine do not increase in thickness, and there is minimal deterioration of endothelial ultrastructure for periods of up to six hours.

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