Chemistry:Pirenoxine
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| Trade names | Catalin |
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| Formula | C16H8N2O5 |
| Molar mass | 308.249 g·mol−1 |
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Pirenoxine (abbreviated PRX, trade name Catalin) is a medication used in the possible treatment and prevention of cataracts.
A report in the journal Inorganic Chemistry showed that in liquid solutions pirenoxine could cause decreased cloudiness of a crystallin solution produced to mimic the environment of the eye. Pirenoxine interacts with selenite or calcium ions that have been proven as factors leading to the formation of lens cataract.[1]
Pirenoxine reduces the cloudiness of the lens solution containing calcium by 38% and reduced the cloudiness of the selenite solution by 11%.[2]
“...there are not any proctored studies that prove the utility of these drops. In Canada and in the U.S. they are considered homeopathic—probably do no harm but doubtful that they will have any protective value."[3]
References
- ↑ "Ditopic complexation of selenite anions or calcium cations by pirenoxine: an implication for anti-cataractogenesis". Inorganic Chemistry 50 (1): 365–77. January 2011. doi:10.1021/ic102151p. PMID 21138325.
- ↑ Staff, R. O.. "Can Chinese Drop Clear Cataracts?". https://www.reviewofoptometry.com/article/can-chinese-drop-clear-cataracts.
- ↑ Can Catalin Eye Drops Protect Eyes From Cataracts? Answered by Jeffrey Whitman MD OCS on Febr. 21, 2014 on the website of the American Academy of Ophthalmology.
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