Ncausas de miosis y midriasis pdf

Unilateral mydriasis after anesthesia cesar lora recibido. Sintoma midriasis definicion y patologias asociadas. Congenital miosis american academy of ophthalmology. I just remember it by knowing that mydriasis is a bigger word than miosis, and therefore is when the pupil is very large, as in a dilated pupil. When possible intraoperative miosis is identified as a patient risk factor, i prepare for active pupillary management. Crstoday intraoperative miosis in cataract surgery.

Although intraoperative miosis is unpredictable, some factors such as a history of ablocker use or the occurrence of miosis in the contralateral eye identify patients who are at increased risk of miosis during cataract surgery. Miosis is a smaller word, and therefore is a constricted pupil. Mydriasis may occur due to either physiologic or nonphysiologic. En muchas intoxicaciones por insecticidas y plaguicidas parathion, etc. Congenital miosis can also occur secondary to contracture of fibrous material on the pupil margin from remnants of the tunica vasculosa lentis or neural crest cell anomalies. Nonphysiological causes of mydriasis include disease, trauma, or the use of drugs normally, as part of the pupillary light reflex, the pupil dilates in the dark and constricts in the light to respectively improve vividity at night and to protect the retina from. Anisocoria is the condition of one pupil being more dilated than the other. The opposite condition, mydriasis, is the dilation of the pupil.