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Climatic Droplet Keratopathy Is a Misnomer for This Corneal Degeneration.

PURPOSE To describe a new insight into the Climate Droplet Keratopathy (CDK) pathophysiology and its major predisposing factors. METHOD A literature search was undertaken on PubMed to compile papers published… Click to show full abstract

PURPOSE To describe a new insight into the Climate Droplet Keratopathy (CDK) pathophysiology and its major predisposing factors. METHOD A literature search was undertaken on PubMed to compile papers published on CDK. The following is a focused opinion tempered by synthesis of current evidence, and research of the authors. RESULTS CDK is a multifactorial rural disease common in regions with high incidence of pterygium, but not related to the type of climate or ozone concentrations. Although it has been thought that climate is the cause of this disease, recent investigations deny that and reveal that other environmental factors such as dietary intake, eye protection, oxidative stress, and ocular inflammatory pathways play an important role in the pathogenesis of CDK. CONCLUSION Considering the negligible effect of climate, the present name " CDK" for this illness can be confusing for young ophthalmologists. Based on these remarks, it is imperative to start using an accurate name like "Environmental Corneal Degeneration (ECD)" that fits the most recent evidence related to its etiology.

Keywords: corneal degeneration; droplet keratopathy; climate; climatic droplet

Journal Title: Seminars in ophthalmology
Year Published: 2023

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