mydriasis opposite
Not to be confused with meiosis, mitosis, or myositis. Miosis or myosis, /maÉªËoÊ sÉªs/, from Ancient Greek Î¼ÏÎµÎ¹Î½, mÅ«ein, to close the eyes, is a term with various definitions, which generally include constriction of the pupil. The opposite condition, mydriasis, is the dilation of the pupil. Anisocoria is the condition of one pupil being more dilated than the other.