-
Blood pressure and pressure amaurosis.
Susceptibility to pressure amaurosis was measured in young research subjects before and during blood pressure elevation induced by intravenous infusions of phenylephrine. Intraocular pressure elevations were produced by paralimbal suction; we measured the highest level to which intraocular pressure could be raised without obliterating perception of a slowly flickering stimulus in the nasal field of vision. Elevation of systemic blood pressure was accompanied in all subjects by a corresponding increase in the highest "safe" level of intraocular pressure. This observation confirms the commonly held hypothesis that pressure amaurosis is the result of pressure-induced neuroretinal ischemia.
PMID: 1116922 [PubMed - indexed for MEDLINE]
-
Patient Drug Information
-
Hyoscyamine (Anaspaz® , Cystospaz® , Cystospaz-M® , ...)
Hyoscyamine is used to control symptoms associated with disorders of the gastrointestinal (GI) tract. It works by decreasing the motion of the stomach and intestines and the secretion of stomach fluids, including acid. H...
-
Darifenacin (Enablex, Urispas, Anaspaz, ...)
How do anticholinergic agents compare in treating overactive bladder syndrome?
-
Phenylephrine (Benadryl® Allergy Cold (as a combination product containing Acetaminophen, Diphenhydramine Hydrochloride, and Phenylephrine Hydrochloride), Benadryl® Severe Allergy Sinus Headache Caplets Maximum Strength (as a combination product containing Acetaminophen, Diphenhydramine Hydrochloride, and Phenylephrine Hydrochloride), Benadryl-D® Allergy Sinus (as a combination product containing Diphenhydramine Hydrochloride and Phenylephrine Hydrochloride), ...)
Phenylephrine is used to relieve nasal discomfort caused by colds, allergies, and hay fever. It is also used to relieve sinus congestion and pressure. Phenylephrine will relieve symptoms but will not treat the cause of t...
- »
See all 4 drug reports
...