Abstract:
PURPOSE:To assess the characteristics of BioMask as a potential masking agent for use with the excimer laser. METHOD:We addressed ablation rate, smoothness, ease of use, dioptric shift, treatment of standardized irregular topography, and ability of BioMask to induce dioptric change in vivo. RESULTS:BioMask ablates at a rate of 0.28 microm per pulse. The BioMask conforms to the base curve of a contact lens in the excimer blank, eye bank eye, and rabbit eye with a r2 of 0.9982, 0.9844, 0.9858, respectively. We are readily able to create 20 diopters of flattening or steepening (r2 = 0.9944). Standardized irregular topography generation in the rabbit eye and then removal with BioMask was successful. The central corneal topography of the rabbit cornea showed predictable changes with various contact lens base curves with the BioMask (r2 = 0.875). CONCLUSIONS:BioMask has excellent potential as an ablatable mask material in the treatment of superficial corneal scars.
journal_name
Corneajournal_title
Corneaauthors
Stevens SX,Bowyer BL,Sanchez-Thorin JC,Rocha G,Young DA,Rowsey JJdoi
10.1097/00003226-199903000-00003subject
Has Abstractpub_date
1999-03-01 00:00:00pages
155-63issue
2eissn
0277-3740issn
1536-4798pii
00003226-199903000-00003journal_volume
18pub_type
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