Dried tears tend to form an artistic fern-like pattern easily observed under a microscope. The extent of alterations in the fern-like patterns follow a grading system and are indicative of poor tear health. This tear ‘art’ is discussed in this section.
References: Author’s Tears
- Rolando M (1984) Tear mucus ferning test in normal and keratoconjunctivitis sicca eyes. Chibret Int J Ophthalmol 2:32–41Google Scholar