mydriasis


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mydriasis

[mə′drī·ə·səs]
(medicine)
Prolonged dilation of the pupil of the eye.
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In a previous study, 3 different neuromuscular blocking agents were applied locally to induce mydriasis in kestrels.
The relative mydriasis and reversal of ptosis on the abnormal right side following apraclonidine confirm the presence of right Horner's syndrome.
complications remove silicone oil (months) 1 12 2 3 Silicone oil under 14 conjunctiva 4 Posterior capsule opacity 5 6 13 7 5 8 8 9 Iris and corneal neovascularisation, retinal redetachment 10 11 Temporary ocular hypertension 12 Band keratopathy and postoperative mydriasis, retinal redetachment 13 14 8 * BCVA: best-corrected visual acuity.
(28,29) The two most common side effects are mydriasis and cycloplegia.
Recovery of accommodation is typically between six-12 hours after instillation whilst mydriasis resolves by 24 hours after instillation.
Horner's syndrome presents with ptosis and miosis, enophthalmos and anhydrosis, and was excluded on the basis of ipsilateral mydriasis and the absence of a high sensory or sympathetic block.
Routine examination included uncorrected visual acuity, intraocular pressure, B ultrasound, the best corrected visual acuity, slit lamp examination, and mydriasis fundus examination.
Siderosis bulbi as a result of iron retention is characterized by rust coloured corneal stroma, iris heterochromia, mydriasis, decreased vision, lenticular deposits, cataract, retinal degeneration and glaucoma.
(28,29) The most two common side effects are mydriasis and cycloplegia.
After instillation, your assessor will usually let the patient wait for 20 minutes or so while the drug begins to take action and will probably ask you some questions concerning mydriasis and indirect ophthalmoscopy in order to help tick off the competency.
Summary of the various toxic syndromes Syndrome Examples Clinical clues Alpha adrenergic Phenylpropanolamine, Hypertension with phenylephrine reflex bradycardia; mydriasis Beta adrenergic Salbutamol, Hypotension, theophylline, caffeine tachycardia Mixed adrenergic Amphetamines, cocaine Hypertension with sympathomimetic) tachycardia; mydriasis; sweaty skin 3ympatholytic Methyldopa, opioids, Hypotension and phenothiazines bradycardia; miosis; decreased peristalsis Nicotinic Nicotine, Unpredictable; cholinergic succinylcholine fasciculations, paralysis 'Muscarinic None Bradycardia, miosis, cholinergic' sweating, hyperperistalsis, bronchorrhoea, wheezing, excessive salivation, etc.
Mydriasis was achieved by using 1% tropicamide and phenylephrine 5%.