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Astigmatic soft contact lens wearers successfully refit with minisclerals
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Large diameter gas-permeable contact lenses can be considered a good alternative to soft toric contact lenses for correcting refractive astigmatism, according to researchers.
Thirty-six asymptomatic contact lens wearers were randomly assigned to group A or B. Subjects’ mean age was 25.3 years. On average, subjects had moderate myopia (-4.50 D) with a low-to-moderate level of refractive astigmatism (-1.25 D).
Group A started wearing comfilcon A soft toric lenses (CooperVision) first, for 2 weeks, then switched to large-diameter gas-permeable lenses (Boston XO, 14.3 mm diameter miniscleral lens, Bausch + Lomb).
Group B initially wore the large-diameter GP lenses and then switched to soft toric lenses.
Seventy-five percent of subjects preferred the vision of the GP lens compared to the soft toric lenses, and 52.7% expressed a preference to continue with this modality, despite only 38.8% reporting that the GP lenses were easy to handle.
Overall, subjects preferred the vision of the GP lenses and the ease of handling of the soft lenses, according to researchers.
Large-diameter GP lenses can be considered a good alternative to soft toric contact lens wear for the correction of refractive astigmatism, researchers wrote. – by Abigail Sutton
Disclosure: The researchers report no relevant financial disclosures.
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