Doctor insights on:
Does pilocarpine drop constrict the dialated pupil completely to the normal or does it shows very less constriction. How to verify if the drops work?
Miosis: Topical Pilocarpine is a pupillary constrictor. In a normal pupil the Pilocarpine will make the pupil smaller than normal. If the pupil has been previously dilated it will not necessarily constrict the pupil to normal or smaller. It depends on what dilated your pupil. Some dilating agents like Atropine are not reversed by pilocarpine. Weaker agents like mydriacl will be slowly over-come by pilo. ...Read more
Yes: cholinesterase inhibitors for topical use in glaucoma treatment enhance the effect of endogenously liberated acetylcholine in iris, ciliary muscle, and other parasympathetically innervated structures of the eye. It thereby causes miosis, increase in facility of outflow of aqueous humor, fall in intraocular pressure, and potentiation of accommodation. ...Read more
Tuesday 6am awoke to severe jaw pain & and constriction around chest (below breast line).
This morning , 6:40am, again. Pupils 1/2 size of dime?
WARNING!: These symptoms must be considered as Heart Disease. You may be about to have a heart attack. You require a Cardiology consultation thru your docs office or thru the ER. Call 911 if pain recurs or go see your doc today. Jaw pain can be referred pain from your heart,so,this along with constricting chest pain must b immediately evaluated. Let us know how u r. ...Read moreSee 1 more doctor answer
Pupil constriction: There is no precise answer to your question because there are a number of variables that might affect the metabolism of a narcotic. The metabolism of a narcotic will affect pupil constriction. As time passes, more of the narcotic will be metabolized and pupil size will go from smaller to larger toward normal (3-5 mm in diameter). The half -life of hydrocodone is 3.8 - 4.9 hrs. ...Read moreSee 1 more doctor answer
Constriction: The "pathway" leading to constriction of the circular sphincter pupillae muscle starts at a nucleus near the 3rd cranial nerve, connects inside the ciliary ganglion, and ends in the inner muscle surrounding the iris. Opiates increase parasympathetic outflow and, therefore, may produce ciliary muscle constriction. ...Read more
Yes & no - see below: Pupil constriction and dilation in response to different levels of lightis unaffected by contact lenses. However, if pupils being pharmacologically altered for eye exam or prior to eye surgery, then conact lenses should always be removed prior to instillation of of eye medications. ...Read more
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