Astigmatism (for a human eye) can be removed by using
[CPMT 1972; MP PET/PMT 1988; CBSE PMT 1990]
Convex lens
Cylindrical lens
Prismatic lens
Cylindrical lens are used for removing astigmatism.
Astigmatism (for a human eye) can be removed by using ___.
Amides may be converted into amines by reaction named after
[CPMT 1974; MP PET 1992; CBSE PMT 1999]
Glycerine has [MP PMT/PET 1988; MP PMT 1989, 91; AIIMS 1997]
Gold number is [MP PET/PMT 1988]