Refractive error
MONDO:0004892A defect in the focusing of light on the retina as in astigmatism, myopia, or hyperopia.
399 clinical trials for this condition and its sub-types, 82 tagged with Refractive error itself.
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Sub-types of Refractive error
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Myopia 258 trials · 273 incl. sub-types
30 sub-types
- Degenerative myopia 38 trials
- Myopia, high, with cataract and vitreoretinal degeneration 1 trial
- Myopia 1, X-linked 0 trials
- Myopia 10 0 trials
- Myopia 11, autosomal dominant 0 trials
- Myopia 12, autosomal dominant 0 trials
- Myopia 13, X-linked 0 trials
- Myopia 14 0 trials
- Myopia 15, autosomal dominant 0 trials
- Myopia 16, autosomal dominant 0 trials
- Myopia 17, autosomal dominant 0 trials
- Myopia 18, autosomal recessive 0 trials
- Myopia 19, autosomal dominant 0 trials
- Myopia 2, autosomal dominant 0 trials
- Myopia 20, autosomal dominant 0 trials
- Myopia 21, autosomal dominant 0 trials
- Myopia 22, autosomal dominant 0 trials
- Myopia 23, autosomal recessive 0 trials
- Myopia 24, autosomal dominant 0 trials
- Myopia 25, autosomal dominant 0 trials
- Myopia 26, X-linked, female-limited 0 trials
- Myopia 27 0 trials
- Myopia 28, autosomal recessive 0 trials
- Myopia 3, autosomal dominant 0 trials
- Myopia 5, autosomal dominant 0 trials
- Myopia 6 0 trials
- Myopia 7 0 trials
- Myopia 8 0 trials
- Myopia 9 0 trials
- Schizophrenia 16 0 trials
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Astigmatism 77 trials · 80 incl. sub-types
2 sub-types
- Irregular astigmatism 5 trials
- Regular astigmatism 2 trials
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Presbyopia 62 trials
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Hyperopia 27 trials
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Anisometropia 7 trials
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Aniseikonia 0 trials
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Transient refractive change 0 trials
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Can special lenses put the brakes on childhood myopia?
Disease control Stopped earlyThis trial tests whether a new type of spectacle lens can slow the progression of myopia (nearsightedness) in children aged 8 to 13. Over 12 months, researchers measure changes in eye length and prescription, comparing results to a historical group that wore standard lenses. The …
Sponsor: Essilor International • Aim: Disease control
Last updated Jul 23, 2026 00:00 UTC
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New Laser-Like eye surgery device falls short – trial stopped early
Disease control Stopped earlyThis study tested a device called the ELITA System to reduce or eliminate nearsightedness (myopia) and astigmatism. It involved 96 adults aged 22 and older who received a lenticule removal procedure in one or both eyes. The trial was terminated early, so the planned results on sa…
Sponsor: Johnson & Johnson Surgical Vision, Inc. • Aim: Disease control
Last updated Jun 27, 2026 11:02 UTC
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Glasses give kids a brighter future: study tests impact on learning and mental health
Symptom relief Stopped earlyThis study gave free eyeglasses to over 1,800 students aged 9-20 in Sierra Leone who had trouble seeing. Researchers wanted to find out if wearing glasses would improve their math and reading skills, and also help with anxiety and social well-being. The study was planned to last …
Sponsor: University of Minnesota • Aim: Symptom relief
Last updated Jun 27, 2026 08:13 UTC