Do Human Tears Absorb Ultraviolet Light?
- 1 July 1994
- journal article
- research article
- Published by Wolters Kluwer Health in Eye & Contact Lens: Science & Clinical Practice
- Vol. 20 (3) , 192-193
- https://doi.org/10.1097/00140068-199407000-00012
Abstract
We analyzed human tears by ultraviolet (UV) spectrophotometry for transmittance of UV light. Ultraviolet light was readily transmitted through human tears in the UV-A (320–400 nm) and UV-B (290–320 nm) ranges. Tears partially absorbed UV light in the UV-C (100–290 nm) range. The clinical implications of these findings include prevention of phototoxic ocular damage and effects upon excimer laser corneal photoablative techniques.Keywords
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