1,721,015 research outputs found
La cheratectomia fotorefrattiva (PRK) con il laser ad eccimeri per la riduzione della miopia di grado lieve.
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Comparative study of human corneal endothelium morphometry during organ culture at 30 C and storage in optisol at 4 degrees C
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A scanning electron microscopy study of juxtacanalicular tissue after ab externo excimer laser photoablative removal overlying corneo-scleral layers.
No full textDescemet membrane air-bubble separation in donor corneas
No full textWe describe a technique to obtain Descemet-endothelium disks from donors. To detach Descemet membrane, an air bubble was introduced in the deep stroma of human donor corneas mounted on an artificial chamber. In Group A (n = 5), the bubble was left inflated. In Group B (n = 4), the bubble was deflated immediately after the membrane was detached. In Group C (n = 7), the Descemet-endothelium disk was trephined and separated from the stroma after the bubble was deflated. All tissues were stored at 4°C. Descemet detachment was achieved in 89% of the tissues. After 48 hours, the mean endothelial loss was 83% ± 10% (SD), 15% ± 11%, and 3% ± 3% in the 3 groups, respectively. With this technique, Descemet-endothelium disks were obtained without significant alterations in the endothelial layer
IOP lowering effect of dorzolamide 2% versus brimonidine tartrate 0.2%. A prospective randomized cross over study.
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