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Neurological System: Eye Disorders
Terms in this set (53)
Measurements of Vision (7)
Computed Tomography (CT)
What is tested by using visual fields?
Central & Peripheral Vision
Changes may indicate what?
Eye diseases, such as glaucoma
Three different eye medications
Drops, ointments, & pills
Topical (local) Anesthetics
Cyclogyl (Cyclopentolate HCL)
What do miotics do?
What do mydriatics do?
Do not give eye meds when?
After using hand hygiene solution
What happens to eyes after using hand hygiene solution?
Increased eye irritation
Carbonic Anhydrase Inhibitors
Timoptic (Timolol maleate)
How is cataract surgery performed?
When do you use dilating drops?
Q 10 minutes 4 doses X 1 hour
What medicines are given for cataract surgery?
Antibiotics, corticosteroid, & NSAID drops
What do they place on the eye post-op cataract
Eye patch x 24 hours
After 24 hours, what is placed over the eyes post op cataract
Metal shield at night/eyeglasses during the day for 1-4 weeks
What are prescribed post-op cataract
Eye drops to prevent infections
Cataract Infection Control
Hand hygiene, use of gtts
Prevent increased IOP pressure by...
Sleeping on non operated side, no bending/stooping, no lifting
Will vision be blurred after cataract surgery?
Yes. Anywhere from several days to weeks
Vision gradually improves as the eye heals.
Is vision correction usually needed for remaining visual acuity deficit?
Cloudy, opaque lens
Decreased visual activity
Decreased night vision
What is glaucoma?
Increased Intraocular pressure inside the eye
What causes IOP increases?
Intraocular fluid compression of the retina and the optic nerve
What is the second most prevalent cause of adult blindness in the US?
3 P's of Glaucoma
Risk factors for glaucoma:
Over age 40
History of Ocular Problems
Most common type of glaucoma
Open Angle Glaucoma
What happens with open angle glaucoma?
Angle is open; drainage channes narrowed
Open angle is lateral or bilateral
How quickly does damage occur??
What the early warning signs for OAG
Gradual loss of peripheral vision
Blurred or foggy vision
Secondary glaucome is caused by
other diseases, including eye disease such as uveitis, systemic diseases, and drugs such as corticosteroids
What is congentital glamauc
Aquired at birth
Diagnostic Exams for Glaucoma
Ocular & medical hx
What is the preferred topical medicaiton for glaucoma?
What do beta blockers do for glaucoma?
Decrease IOP and Decrease BP
Ophthalmic laser surgery does what?
Burns trabecular meshwork to open intratrabeccular spaces & widen the canal of Schlemm
Conventional surgery does what?
Creates a new drainage channel for aqueous humor or destroys the structures that produce it
Filtering procedures does what?
Creates an opening or fistula in the trabecular meshwork to allow aqueous humor to flow & exit by different routes
Glaucoma Nursing Managment
Strict medication regimen *eye drops
Regular follow up examinations
Goal for Glaucoma Prevention
Prevent vision loss & blindness
What age should you have a tonometry exam?
How often should you have an ophthalmmoscopy exam?
Every 2 years
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