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Ocular Pharma # 5
Anesthesia and Drug Retention
| Question | Answer |
|---|---|
| To anesthetize the lids, a block of what nerve is utilized? | Facial |
| What block effects vision? | Retrobulbar |
| Anesthetics works by? | Blocking sodium channels |
| What type of anesthetic agent is best only for topical anesthesia? | Esters |
| What anesthetic is the only one that is dispensed in small dose minims? | Pontocaine |
| What do we add to the anesthetic to prolong its affect and to decrease side effects? | 1:1000 Epinephrine |
| List the side effects of anesthetic agent. (7) | Ringing in the ears / Light headedness / Blurred vision / Nervousness / Trouble breathing / Convulsions / Cardiovascular Collapse-loss of bp |
| What is the generic name for Pontocaine ? | Tetracaine |
| What is the generic name for Xylocaine? | Lidocaine |
| What is the brand name for Ophthaine? | Proparacaine |
| What anesthetic is used in topical fluorescein eye drops? | Benoxinate |
| What tissue (Inflamed or Non-Inflamed) are easier to anesthetize? | Non-Inflamed |
| What is the difference between a regional and a local block? | A regional block will block the area of the nerve supply- Facial nerve block, etc. A local block only blocks the area surrounding the injection. |
| What are some viscoelastics? | Chondroitin sulphate / Sodium hyaluronate / Hydroxypropyl methylcellulose |
| Name 2 hyperosmotic agents. | Glycerine and 5% Sodium Chloride |
| Name 2 cycloplegics. | Tropicamide and Scopolamine |
| Name 2 Mydriatics. | Phenylephrine and Hydroxyamphetamine |
| Generic name for Rev Eyes®. | Dapiprazole |
| Intraocular irrigating fluid. | BSS (Balanced Salt Solution) |
| Mucolytic agent. | Acetylcysteine |
| Myasthenia diagnostic drug. | Edrophonium |
| Name 2 Anti-cholinesterase drugs. | Edrophonium and Echothiophate |
| Name 2 miotic drugs. | Acetylcholine and Carbachol |
| What drug is a retinal diagnostic drug with iodine? | Indocyanine green |
| What drug is a retinal diagnostic drug without iodine? | Infracyanine green (and Fluorescein) |
| What stains the conjunctiva? | Lissamine Green and Rose Bengal |
| What stains both the conjunctiva and the cornea? | Lissamine Green, and Rose Bengal |
| What stains the anterior lens capsule? | Trypan Blue |
| What comes in a 1 cc minums? | Pontocaine (he had lidocaine as the answer but I think he made a mistake) |
| Name a vasoconstrictor for "red out" eye drops. | Naphazoline |