A Second Look at the Impact of Normal Saline on the Incidence of Exposure Keratopathy

Chinomso U. Nwozichi


Dear Editor, This letter is in response to the article written by Davoodabady et al.[1] Unconscious patients are prone to exposure keratopathy, especially due to loss of cornea reflex and lack of tear production, which are natural protective mechanisms for the eyes.[2] Such patients cannot nictitate and close their eyelid due to reduction in consciousness level and receiving tranquilizers and anesthetic medicines. As a result, the risk of eye injuries such as dryness, abrasion, tear, and keratitis increases.[3]....


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Davoodabady Z, Rezaei K, Rezaei R. The impact of normal saline on the incidence of exposure keratopathy in patients hospitalized in intensive care unit. Iran JNurs Midwifery Res2018;23:57‑60.

Kalhori RP, Ehsani S, Daneshgar F, Ashtaria H, Rezaei M. Different nursing care methods for prevention of keratopathy among intensive care unit patients. Glob J Health Sci2016;8:212‑7.

Werli‑Alvarenga A, Ercole FF, Botoni FA, Oliveira JA, Chianca TC. Corneal injuries: Incidence and risk factors in the Intensive Care Unit. Rev Lat Am Enfermagem2011;19:1088‑95.

Uchiyama ED, DiPascuale MA, Butovich IA, McCulley JP. Impact on ocular surface evaporation of an artificial tear solution containing Hydroxypropyl Guar. Eye Contact Lens 2008;34:331‑4


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