contraction of the pupil of the eye
Origin of miosisModern Latin from Classical Greek myein, to close ( from Indo-European base an unverified form mu-: see mute) + -osis
nounpl. mi·o·ses, also my·o·ses
Constriction of the pupil of the eye, resulting from a normal response to an increase in light or caused by certain drugs or pathological conditions.
Origin of miosisGreek mūein to close the eyes -osis
- Contraction of the pupil of the eye.
- Horner's syndrome consists of miosis, eyelid ptosis and absent forehead sweating.
From Ancient Greek Î¼ÏÎµÎ¹Î½ (mÅ«ein, “to close the eyes") + -osis.