This is a modified CTR which has an additional fixation eyelet that allows it to be sutured to the scleral wall without piercing the capsular bag. This ring is used in cases where a standard CTR may not provide adequate centration and stability.
These strips work by staining the cornea blue upon instillation. This causes “speckling” of the cornea, which gives the user immediate indication of any dry patches, as well as any muco-deficient or damaged corneal cells.
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