Noun: mydriasis mi'drI-u-sis
- Reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
"The eye exam induced mydriasis, making her sensitive to light for several hours"
Type of: dilatation, dilation, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
Encyclopedia: Mydriasis