Search results
Results from the WOW.Com Content Network
Dilation and constriction of the pupil. Pupillary response is a physiological response that varies the size of the pupil, via the optic and oculomotor cranial nerve. A constriction response , [1] is the narrowing of the pupil, which may be caused by scleral buckles or drugs such as opiates/opioids or anti-hypertension medications.
Mydriasis is the dilation of the pupil, usually having a non-physiological cause, [3] or sometimes a physiological pupillary response. [4] Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drug.
Closing of eyes – Closing the eyes may be a response to fear or embarrassment. Others may close their eyes as a way to think more sincerely about a particular subject. Eye moisture – Tears can indicate sadness, but they are also used to wash and clean the eyes. Damp eyes can be suppressed by crying or an expression of extreme happiness or ...
Pupil sizes (left eye vs. right eye) Possible interpretation Normal eye with two pupils equal in size and reactive to light. This means that the patient is probably not in a coma and is probably lethargic, under influence of a drug, or sleeping. "Pinpoint" pupils indicate heroin or opiate overdose, which can be responsible for a patient's coma.
Dilated fundus examination (DFE) is a diagnostic procedure that uses mydriatic eye drops to dilate or enlarge the pupil in order to obtain a better view of the fundus of the eye. [1] Once the pupil is dilated, examiners use ophthalmoscopy to view the eye's interior, which makes it easier to assess the retina , optic nerve head , blood vessels ...
big.assets.huffingtonpost.com
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
People use eye contact to indicate threat, intimacy and interest. Eye contact is used to regulate turn-taking in conversation, and indicates how interested the listener (receiver) is in what the speaker is saying. Receivers make eye contact about 70–75 percent of the time, with each contact averaging 7.8 seconds.