Abstract
Purpose
To evaluate the effect of 0.05% cyclosporine A on the ocular surface after photorefractive keratectomy (PRK).
Methods
This retrospective study included 50 patients who underwent PRK. Patients were divided into two groups: 25 patients in group I were treated with topical 0.05% cyclosporine A with conventional medication, and 25 patients in group II were treated with conventional medication. Visual acuity (VA), tear break-up time (BUT), fluorescein staining score (F-stain), Schirmer I test, and ocular surface disease index (OSDI) were evaluated before surgery and 2 weeks, 1 month, 2 months, and 3 months after surgery.
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Table 1.
Group I | Group II | p-value | |
---|---|---|---|
Number of eyes | 25 | 25 | |
Patients (male:female) | 10:15 | 8:17 | 0.556∗ |
Mean age (years) | 25.4 ± 6.6 | 25.8 ± 5.3 | 0.523† |
Uncorrected visual acuity (log MAR) | 1.06 ± 0.32 | 1.15 ± 0.20 | 0.693† |
Best corrected visual acuity (log MAR) | 0 | 0 | 1.000† |
Spherical equivalent (diopter) | -4.86 ± 2.27 | -5.17 ± 2.45 | 0.352‡ |
Ablation depth (μm) | 83.28 ± 30.70 | 87.33 ± 26.67 | 0.245‡ |
Ablation diameter (mm) | 6.54 ± 0.30 | 6.45 ± 0.31 | 0.589‡ |
Tear BUT (second) | 6.64 ± 2.62 | 6.56 ± 2.95 | 0.920‡ |
F-stain | 0.64 ± 0.91 | 0.72 ± 1.21 | 0.792‡ |
Schirmer I test (mm) | 11.93 ± 5.71 | 12.40 ± 10.67 | 0.832‡ |
OSDI | 24.78 ± 12.80 | 23.74 ± 16.07 | 0.696‡ |