Eye drops with citric acid as the sole active ingredient
View Patent ↗This patent application discloses a method of manufacturing eye drops that can be used to ameliorate or cure eye conditions such as cataracts, presbyopia, glaucoma, astigmatism, dry eye as well as for generic eye care uses. The sole active ingredient of said eye drops is citric acid—its aqueous solution around 0.9% by weight, which can be adjusted to either higher or lower levels of concentration according to clinical needs. Citric acid can be sourced either from industrial products or from natural fruits such as lemons and pineapples.
1 . A method of curing cataracts, presbyopia, glaucoma and astigmatism, comprising administering eye drops, wherein said eye drops consist of citric acid as the sole active ingredient, water, and optionally one or more ophthalmically acceptable inactive ingredients selected from preservatives and lubricants, wherein said inactive ingredients do not neutralize or chelate citric acid.
2 . The method according to claim 1 wherein citric acid is in aqueous solution and, wherein citric acid is present in concentration range of 0.2 wt % to 1.8 wt %.
3 . The method according to claim 1 or claim 2 wherein citric acid is sourced from industrial products.
4 . The method according to claim 1 or claim 2 wherein citric acid is extracted from lemons and pineapples by filtering, precipitation, evaporation, crystallisation and diluting.