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Details

Ophtho/Derm/Rheum-Pharm
Pharmacology of the Eye
6
Pharmacology
Graduate
11/15/2010

Additional Pharmacology Flashcards

 


 

Cards

Term
What is the innervation to the internal muscles of the eye?
Definition

Dilator: Alpha Adrenergic

Sphincter: Cholinergic

Cilliary: Contraction(Fatten Lens)-Cholinergic

Relaxation(Streches lens)-Beta Adrenergic

Term
How do you diagnosis and evalate the problem in a horners patient?
Definition

Dx: 10% Cocaine Solution or Light reflex

Light-Horner's pts show larger difference between pupil sizes during the light reflex

Eval: 1% Hydroxyamphetamine inducing dialation indicates a Primary or Secondary horner's nerve lesion

Term
What is Adie's Pupil and how do you diagnose it?
Definition

Def: Post-ganglionic Parasympathetic blockage to the eye

Dx: 1/8% Pilocarpine will constrict because of parasympathetic denervation, Non-adie's will not constrict bc solution is too dilute

Term
What is the use and duration of action of the common pupilary dialators?
Definition

Tropicamide: 4-6hrs, Eye exam

Phenylephrine: 6hrs, Combo for Eye exam

Cyclopentolate: 12-24hrs, Corneal Abrasions

Homatropine: 1-2days, Corneal Irritations

Scopolamine: 2-4 days, Motion Sickness

Atropine: 1-2wks, Organophosphate Poisoning, Serious Eye Injury

Term
Which pupilary dialators have bad side effects?
Definition

Scopolamine: Psychosis, Restless, Confusion, Hallucinations, Vomiting and Incontinence

10% Phenylephrine: HPTN Crisis, Occipital Headache, Ventricular Arrhythmias, Tach

2.5% Phenylephrine: Rebound Redness

Term
What is the mechanism of action of the Glaucoma Drugs
Definition

Pilocarpine: Stretch Trabecular Mesh

Epinephrine: Increase Outflow

Dipivefrin: Lipophillic Epi

B-Blockers: Decrease Aqueous Formation

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