eye An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system. In higher organisms, the ey ...

care, collyrium is an antique term for a lotion or liquid

wash Wash or the Wash may refer to: Industry and sanitation * WASH or WaSH, "water, sanitation and hygiene", three related public health issues * Wash (distilling), the liquid produced by the fermentation step in the production of distilled beverages ...

used as a cleanser for the

s, particularly in diseases of the eye. The word ''collyrium'' comes from the

Greek Greek may refer to: Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group *Greek language, a branch of the Indo-European language family **Proto-Greek language, the assumed last common ancestor of all kno ...

, eye-salve. The same name was also given to unguents used for the same purpose, such as unguent of tutty (Sanskrit ''tuttha'' meaning variously

zinc oxide Zinc oxide is an inorganic compound with the Chemical formula, formula . It is a white powder which is insoluble in water. ZnO is used as an additive in numerous materials and products including cosmetics, Zinc metabolism, food supplements, rubbe ...

blue vitriol Copper(II) sulfate is an inorganic compound with the chemical formula . It forms hydrates , where ''n'' can range from 1 to 7. The pentahydrate (''n'' = 5), a bright blue crystal, is the most commonly encountered hydrate of copper(II) sulfate, whi ...

). Lastly, the name was given, though improperly, to some liquid medicines used against

venereal disease A sexually transmitted infection (STI), also referred to as a sexually transmitted disease (STD) and the older term venereal disease (VD), is an infection that is spread by sexual activity, especially vaginal intercourse, anal sex, or ...

s. Pre-modern

medicine Medicine is the science and Praxis (process), practice of caring for patients, managing the Medical diagnosis, diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, ...

distinguished two kinds of collyriums: the one liquid, the other dry. Liquid collyriums were composed of ophthalmic powders, or waters, such as rose-water, plantain-water, that of

fennel Fennel (''Foeniculum vulgare'') is a flowering plant species in the carrot family. It is a hardy, perennial herb with yellow flowers and feathery leaves. It is indigenous to the shores of the Mediterranean but has become widely naturalized ...

, eyebright, etc., in which was dissolved tutty, white vitriol, or some other proper powder. Dry collyriums were pastilles of Rhasis, sugar-candy, iris, tutty prepared and blown into the eye with a little pipe. The 2nd century

Mishnah The Mishnah or the Mishna (; , from the verb ''šānā'', "to study and review", also "secondary") is the first written collection of the Jewish oral traditions that are known as the Oral Torah. Having been collected in the 3rd century CE, it is ...

mention
collyrium
The

Sunan Abu Dawood ''Sunan Abi Dawud'' () is the third hadith collection of the Six Books of Sunni Islam. It was compiled by scholar Abu Dawud al-Sijistani (). Introduction Abu Dawood compiled twenty-one books related to Hadith and preferred those (plural of ...

reports, "Prophet

Muhammad Muhammad (8 June 632 CE) was an Arab religious and political leader and the founder of Islam. Muhammad in Islam, According to Islam, he was a prophet who was divinely inspired to preach and confirm the tawhid, monotheistic teachings of A ...

said: 'Among the best types of collyrium is

antimony Antimony is a chemical element; it has chemical symbol, symbol Sb () and atomic number 51. A lustrous grey metal or metalloid, it is found in nature mainly as the sulfide mineral stibnite (). Antimony compounds have been known since ancient t ...

(''ithmid'') for it clears the vision and makes the hair sprout.'"

Maimonides Moses ben Maimon (1138–1204), commonly known as Maimonides (, ) and also referred to by the Hebrew acronym Rambam (), was a Sephardic rabbi and Jewish philosophy, philosopher who became one of the most prolific and influential Torah schola ...

Hilchot Shabbat 18:2 (12th century Egypt) mentions the use of this eye salve.

References

* *"Collyrium". ''Oxford English Dictionary''. Oxford University Press. 2nd ed. 1989. History of pharmacy {{med-hist-stub