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It is the most commonly used diagnostic strip used to visualize defects or abrasions in the corneal ..
These strips work by staining the cornea blue upon instillation. This causes "speckling" of the corn..
Rose Bengal is an ocular stain that has affinity for degenerating epithelium (outer layer of cornea)..
This diagnostic strip made from the Whatman No 41 filter paper measures the amount of tear productio..