Completed
The Prism Adaptation Study (PAS)
Led by National Eye Institute (NEI) · Updated on 2009-09-17
N/A
Participants Needed
N/A
Research Sites
N/A
Total Duration
On this page
AI-Summary
What this Trial Is About
To determine whether the preoperative use of prisms in eyeglasses can improve the outcome of surgery for acquired esotropia, a type of strabismus. To determine whether patients who respond to prism adaptation by developing a new stable angle of -deviation have a better surgical result than do patients who do not respond to prism adaptation. To determine whether patients who respond to prism adaptation are more accurately corrected by operating for the prism-adapted angle or the original angle of deviation. To determine the usefulness of certain input variables (e.g., age at the time of surgery, size of the deviation, visual acuity, binocular function, refractive error) in predicting which patients are more likely to benefit from prism adaptation.
CONDITIONS
Brief Title
The Prism Adaptation Study (PAS)
Who Can Participate
Eligibility Criteria
An eligible male or female must have been age 3 years or older (adults were included) and must have had esotropia that occurred at age 6 months or older, with no history of previous eye muscle surgery.
Trial Site Locations
Site Locations not provided
Location information for this trial is currently unavailable.
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