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Photorefractive Keratectomy for Lazy Eye
Study Summary
This trial will investigate whether PRK can help improve the longterm visual acuity in children who have not responded to standard therapy for high anisometropia or isoametropia.
Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowTimeline
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Trial Design
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Who is running the clinical trial?
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- You have a history of eye problems that could make it difficult to improve your vision.My child, aged 2-17, has vision issues not improved by standard treatments for 6+ months.You have a history of a known collagen disorder.If you have nearsightedness, it must be at least -4.00 diopters in both eyes. If you have farsightedness, it must be at least +4.00 diopters in both eyes. If you have astigmatism, it must be at least +2.50 diopters in both eyes.I have a history of corneal ectasia.One eye must have significantly different vision from the other eye, and the blurry eye must be much worse than the clear eye.You have had a previous infection called herpes simplex keratitis.Your cornea is thinner than 450 micrometers.
- Group 1: Photorefractive keratectomy
- No Placebo-Only Group - All patients enrolled in this study will receive some form of active treatment.
- Screening: It may take up to 3 Weeks to process to see if you qualify in this trial.
- Treatment: The duration you will receive the treatment varies.
- Follow Ups: You may be asked to continue sharing information regarding the trial for 6 Months after you stop receiving the treatment.
Frequently Asked Questions
Are elderly individuals allowed to participate in this trial?
"This trial has a narrow scope of qualification, which is limited to patients aged 2-17. However, there are 24 other trials for those below 18 and 40 separate studies open to those above 65 years old."
Are there any participants being accepted into this research program?
"Based on the information sourced from clinicaltrials.gov, this particular medical trial is no longer recruiting subjects for participation. It was originally posted January 1st 2001 and last modified on January 19th 2022; however, there are 78 other trials currently enlisting participants at present."
Are there any criteria for people to be eligible to participate in this trial?
"This research study is seeking 200 youth between the ages of 2 and 17 with hyperopia who have not responded to traditional treatments for a duration of at least 6 months. The prerequisite criteria include, but are not limited to: isoametropic group; myopia -4.00 diopters in each eye; hyperopia +4.00 diopters in both eyes; astigmatism +2.50 diopters in both eyes; anisometropia 3+ dioptres; best corrected visual acuity two lines lower on amblyopic eye than fellow eye (in verbal children)."
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