Tear Ferning Test and Pathological Effects on Ocular Surface before and after Topical Cyclosporine in Vernal Keratoconjunctivitis Patients

<div>Tear ferns (100×magnification). Type I (control): uniform and compact branched fern. Type II: the number of branches decreased, while the interval increased. Type III: the number of branches decreased significantly, and the interval space increased significantly. Type IV: the number of ferns is low, and the pattern is indefinite.</div>

Journal of Ophthalmology

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Figure 1

Figure 1: Tear Ferning Test and Pathological Effects on Ocular Surface before and after Topical Cyclosporine in Vernal Keratoconjunctivitis Patients 