Tear Ferning Test for Dry Eye Diagnosis

Application of Tear Ferning Test for Clinical Dry Eye Diagnosis

Application of tear ferning test for clinical dry eye diagnosis

Comparing dry eye patients' tear ferning structure with non-dry eye patients' to develop a protocol for easy and costless diagnosis in ophthalmology.

Inclusion Criteria:

• Aged between 20 and 65 years
• For dry eye disease group:
• Schirmer's test results between 5 - 10 mm
• Tear Film Break Up Time less than 10 seconds
• Ocular Surface Disease Index of more than 25

Exclusion Criteria:

• Those have diabetes, hypertension or other chronic diseases
• No evident ocular diseases such as cornea disease, cataracts, vitreous degeneration, glaucoma, and retinopathy.
• Belong to vulnerable groups(pregnancy woman, prisoner, ethical minorities, economic or educationally disadvantaged subjects, disabled individuals such as those at terminal stage of tumorigenesis, blindness, terminal ill individuals)