Innovations in acquaintance lens abstracts and designs acquiesce patients to abrasion acquaintance lenses during beddy-bye to abrade the cornea and briefly to abate astigmatic refractive absurdity and advance abandoned beheld acuity. We conducted the Children’s Brief Orthokeratology Investigation (COOKI) pilot study, a case series, to call the refractive absurdity and beheld changes, as able-bodied as the slitlamp observations associated with brief orthokeratology in children, over a aeon of 6 months.
Twenty-nine 8- to 11-year-old accouchement with amaurosis amid −0.75 and −5.00 D and <−1.50 D corneal toricity were adapted with corneal refractive analysis acquaintance lenses (Paragon Vision Sciences, Mesa, AZ). They were advised aural 1 hour of activation and about 6 hours afterwards at 1 day, 1 week, 2 weeks, 1 month, 3 months, and 6 months afterwards the aboriginal night of acquaintance lens wear. At anniversary visit, the logarithm of the minimum bend of resolution (logMAR) beheld acuity, apparent refraction, slitlamp examination, and corneal cartography were performed.
Twenty-three capacity completed the 6-month study. Three capacity absitively not to abrasion acquaintance lenses, two did not accomplish adequate fits, and one confused from the area. At the 6-month afternoon visit, the beggarly ± SD uncorrected high-contrast beheld acuity was 0.08 ± 0.15 logMAR (Snellen equivalent, 20/24), and the beggarly ± SD all-around agnate refraction was −0.16 ± 0.66 D. The corneas of three-fifths of the capacity showed balmy staining at the morning visit, and one-third of the patients showed balmy corneal staining at the afternoon visit. The best accustomed blazon of stain was axial brindled staining. No capacity accomplished abiding adverse beheld furnishings from cornea-reshaping acquaintance lens abrasion during the abstraction period.
Overnight cornea-reshaping acquaintance lenses are active for adolescent astigmatic patients, and no accouchement accomplished a austere adverse accident during the study.
The Ohio State University College of Optometry, Columbus, Ohio (JJW, LAJ) and New England College of Optometry, Boston, Massachusetts (MJR)
Received March 13, 2003; accustomed February 14, 2004.
Jeffrey J. Walline
The Ohio State University College of Optometry 338 West Tenth Ave., Columbus, Ohio 43210-1240 e-mail: [email protected]
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