A History of Indian Medical Literature v1.c23.471.3

v1.c23.471.3

the tastes to be employed against the doṣas in a lekhana collyrium (18.53); the effects of a lekhana collyrium (18.54); a ropaṇa collyrium should consist of drugs with an astringent or bitter taste and some oil; it restores the colour and invigorates the eyes (18.55); a prasādana collyrium should consist of drugs with a sweet taste and (much) oil; it soothes (prasādana) the doṣas affecting vision and is also beneficial as an oleating agent (18.56); these collyria should be employed in the morning, evening or night, dependent on the doṣa involved (18.57);293 the three forms of collyrium: guṭikā (pill), rasa (= rasakriyā: inspissated juice) and cūrṇa (powder);294 their strength decreases in the mentioned order (18.58); the sizes of lekhana, ropaṇa and prasādana guṭikās (18.59); the dose of a rasāñjana295 is the same as that of a varti²⁹⁶ (18.60ab); the doses of a collyrium in the form of a powder are two, three or four śalākās, for the lekhana, ropaṇa and prasādana varieties respectively (18.60cd); the materials for the containers (bhājana)²⁹⁷ and the rods (śalāka) (for applying a collyrium)²⁹⁸ (18.61–62ab);²⁹⁹ requirements as to the form, measurements, etc., of a śalākā (18.62cd–63); the technique of applying a collyrium (18.64–65); technical errors to be avoided (18.66–67ab); after observing the proper action of a collyrium, the eye should be washed (prakṣālana) with water, and a pratyañjana applied (18.67cd–68ab);