The flashcards below were created by user
Cloe
on FreezingBlue Flashcards.
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Aqueous Humor
Fluid made in the front part of the eye
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Central Vision
Sight straight ahead or when you read
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Conjunctiva
Transparent mucous membrane that lines each lid and continues over the surface of the eyeball
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Cornea
Clear part of the eye located in front of the iris
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Glaucoma, angle closure
Sudden increase in intraocular pressure caused by obstruction of the drainage portal between the cornea and iris (angle) that can rapidly progress to blindness
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Glaucoma, open angle
Disorder characterized by elevated pressure in the eye that can lead to permanent blindness
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Intraocular pressure (IOP)
Inner pressure of eye. Normal 12-22 mm Hg
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Iris
Colored part of the eye that can expand or contact to allow the right amount of light to enter the eye
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Keratotomy
Incision of the cornea to correct myopia
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Lacrimal Apparatus
Structures that keep the surface of the eye moistened with lacriminal fluid (tears)
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Optic Disk
Oscular end of the optic nerve where the retinal nerve fibers exit and the blood vessels enter
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Optic Nerve
Bundle of nerve fibers located in the back of the eye that connects the retina to the brain
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Tonometry
Use of a device to measure the pressure in the eye
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Trabecular Meshwork
Small opening around the outer edge of the iris that form meshlike drainage canals surrounding the iris. Aka Schlemm's canal
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Glaucoma Facts
- 1) open angle: most common
- 2) second leading cause of blindness worldwide
- 3) 1/6 afflicted develop bilateral blindness
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Beta-Blocker Common Ending
"-olol"
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Beta-Blockers Treats;
Open Angle Glaucoma
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Beta-Blocker Types
- betaxolol: Betoptic S
- levobunolol: Betagan
- timolol maleate: Timoptic
- Combo: (most common)
- timolol+lantanoprost: Xalcom
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When is B-blocker betaxnol preferred?
For patients with asthma or heart failure
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Alpha-Blockers Job;
Prevention & Treatment of IOP (Inner Eye Pressure)
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Alpha-Blocker Types;
- apraclonidine: Iopidine
- brimonidine: Alphagan
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Carbonic Anhydrase Inhibitors Common Ending;
"-zolamide"
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Carbonic Anhydrase Inhibitor Treats;
Open Angle Glaucoma
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Carbonic Anhydrase Inhibitor Types;
- brinzolamide: Azorpt
- dorzolamide: Trusopt
- Combo:
- dorzolamide+timolol: Cosopt
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Drugs that Increase Aqueous Humor Drainage (4)
- 1) Adrenergic agonists
- 2) Cholinergic agonists
- 3) Prostaglandin analongs
- 4) Acetylcholinestetase inhibitors
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Adrenergic agonist; Dipivifren
Prodrug that needs to be activiated with epinephrine
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Cholinergic Agonist Type;
pilocarpine: Akarpine, Diocarpine, Isopto Carpine, Pilopine HS, Salagen
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Prostaglandin Analog Common Ending
"-prost"
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Prostaglandin Types;
- bimatoprost: Lumigan
- latanoprost: Xalatan
- travoprost: Travatan
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Warning Labels for Glaucoma Drops
- (for chronic not accute)
- Don't Discontinue
- Wash Hands
- Avoid Tip Contamination
- Discard Discolored Drops
- Remove Contacts for 15 mins
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