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Abstract
| Myopia (nearsightedness) may be corrected by using non-surgical and surgical techniques.
Orthokeratology, the practice of wearing rigid contact lenses during waking
hours, has been used to reduce myopia with minimal success. Recent advances in
corneal mapping and contact lens technology have greatly improved lens fitting
techniques. In the present study Precision Ocular Technology’s CK “One-Step” lenses
were used to mold the corneas of 17 myopic patients. The subjects wore the
lenses while sleeping in an effort to decrease their need for corrective lenses during
waking hours. Each subject’s eyes were checked on days 1, 7, 30, and 60 after lens
fitting for visual acuity, refractive error, corneal topography, and intraocular pressure
(glaucoma test). Post-fit measurements were compared to initial values. Patients
were surveyed after 60 days to assess comfort and satisfaction with the procedure.
Fourteen patients completed the study through day 30 and had significant corneal
flattening and significantly decreased myopia and increased visual acuity. The
patients that dropped out of the study were all adults and were advised that the procedure
may be less effective for correction of myopia in adults. The remaining
patients expressed only mild discomfort in wearing the lenses and reported satisfaction
with the procedure. |
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