Which Lens Wins in Keratoconus?
This study reveals how choosing the right contact lens can significantly enhance visual outcomes for keratoconus patients.
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The study compared visual outcomes of mini-scleral lenses and small-diameter rigid GP lenses in moderate-to-severe keratoconus patients.
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Both lens types significantly improved best-corrected visual acuity, with RGP lenses showing lower irregular astigmatism and better topographic indices.
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3
Topographic indices like center-surround index and irregular astigmatism index were valuable in predicting lens suitability and visual improvement.
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Mini-scleral lenses were particularly beneficial for patients with apical scarring or highly decentered cones.
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The study's limitations include its retrospective design, small sample size, and potential selection bias affecting results.