Evidence supporting the use of: Metal Salt
For the health condition: Eye Infections

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Synopsis

Source of validity: Traditional
Rating (out of 5): 2

The use of unspecified "metal salts" for eye infections is primarily rooted in traditional practices rather than modern scientific evidence. Historically, various metal salts—particularly those of silver (such as silver nitrate) and copper—have been utilized in traditional and early medical treatments for eye infections, notably conjunctivitis. Silver nitrate, for example, was widely used in the 19th and early 20th centuries as a prophylactic treatment for neonatal eye infections (ophthalmia neonatorum) caused by Neisseria gonorrhoeae, following the introduction of Crede's prophylaxis. Similarly, copper sulfate and zinc sulfate have been employed in folk and early pharmacological remedies for their presumed antimicrobial properties. However, the scientific validation supporting the efficacy and safety of most metal salts (outside of specific, well-characterized compounds like silver nitrate) for eye infections is limited. Modern ophthalmology favors antibiotic or antiviral medications with better safety profiles. The use of unspecified or broad classes of metal salts is now considered outdated and can be potentially harmful due to the risk of ocular toxicity and irritation. In summary, while there is historical precedent for the use of some metal salts in treating eye infections, contemporary scientific support is limited, and such treatments have largely been replaced by more effective and safer therapies.

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