TREATMENT OF BAND KERATOPATHY BY EXCIMER-LASER PHOTOTHERAPEUTIC KERATECTOMY - SURGICAL TECHNIQUES AND LONG-TERM FOLLOW-UP

OBRART, DPS and GARTRY, DS and LOHMANN, CP and PATMORE, AL and MUIR, MGK and MARSHALL, J (1993) TREATMENT OF BAND KERATOPATHY BY EXCIMER-LASER PHOTOTHERAPEUTIC KERATECTOMY - SURGICAL TECHNIQUES AND LONG-TERM FOLLOW-UP. BRITISH JOURNAL OF OPHTHALMOLOGY, 77 (11). pp. 702-708. ISSN 0007-1161,

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Abstract

A series of. 122 eyes with band keratopathy was treated by excimer laser phototherapeutic keratectomy (PTK), with a mean follow up of over 12.3 months (range 3 to 60 months). A single photoablation zone was used to remove the opacity over the visual axis in smooth surfaced band deposition. In eyes with reduced vision, an improvement was reported in 88% and in a series of 66 eyes mean Snellen visual acuity increased significantly (p<0.05, t=2.27). A reduction in glare was reported in 88% and in a series of 17 patients, visual contrast sensitivity (p<0.01) and measurements of disability glare (p<0.01) improved postoperatively. The mean hyperopic shift in 32 eyes at 6 months was 1.4 D (range 0-4.25 D). Multiple overlapping ablation zones, with mechanical debulking of large calcium plaques, were used to smooth the irregular corneal surface in eyes with rough bands. Ocular discomfort was improved in 95%. Band keratopathy recurred in nine eyes (8%) within 2 to 30 months (mean 12 months) of surgery, with silicone oil responsible in five eyes. Reablation was necessary in three eyes and performed successfully in all cases. Excimer laser PTK is a safe and effective outpatient treatment for band keratopathy.

Item Type: Article
Uncontrolled Keywords: ;
Depositing User: Dr. Gernot Deinzer
Last Modified: 19 Oct 2022 08:42
URI: https://pred.uni-regensburg.de/id/eprint/53684

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