Objective:
To evaluate the effect of high-viscosity sodium hyaluronate solution on midday fogging in scleral lens wearers.
Key Findings:
- Low-contrast visual acuity remained stable in eyes with sodium hyaluronate but decreased in those with saline.
- Optical density and turbidity increased over time regardless of the filling solution.
- No significant differences in lens settling rates or magnitudes between the two groups.
Interpretation:
High-viscosity sodium hyaluronate may enhance low-contrast visual performance in keratoconus patients without negatively affecting fluid turbidity or lens settling.
Limitations:
- Study limited to a small sample size of 22 individuals.
- Results may not be generalizable to all scleral lens wearers.
Conclusion:
Using high-viscosity sodium hyaluronate can improve visual performance in scleral lens wearers with keratoconus, potentially offering a solution to midday fogging.
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