Normal size of pupil varies from 3 to 5 mm.
Pupils < 3mm size in average condition of illumination are called miotic and pupils > 5 mm are called mydriatic. Pin point pupil is said to be present when the pupillary size is less than or equal to 1 mm.
Pupils < 3mm size in average condition of illumination are called miotic and pupils > 5 mm are called mydriatic. Pin point pupil is said to be present when the pupillary size is less than or equal to 1 mm.
- Normal—3-5 mm
- Mydriasis > 6 mm
- Miosis < 2 mm
- Pin point pupil < I mm
- A difference of 0.5 mm between the two pupils is abnormal
