Eyes/ Ears Flashcards
Glaucoma
Too much aqueous humor fluid leads to damage in optic nerves and increased intraocular pressure. Normal intraocular pressure is within 10-20mmHg
It does not affect central vision. Early signs of glaucoma is diminished vision and intraocular pressure
Primary Open-angle glaucoma
Painless, vision changes are slow, result in tunnel vision.
Primary angle-closure glaucoma(PACG)
Blurred vision, halos around lights, and ocular erythema.
Acute angle-closure glaucoma
911 Medical emergency 🚨
S/s sudden eye pain, accompany with N/V,
Intervention Glaucoma
Instruct patients:
Lifelong use of meds.
USE meds that constrict pupils to drain fluid out
Wear medical alert 🚨 bracelets
AVOID ANTICHOLINERGICS medications
Report eye pain, halos around eyes and changes in vision to PCP
Surgery ( trabeculectomy- drains fluid, does not reverse damage) may be needed
Retinal Detachment
Assessment:
Flashes of light
Floaters or black spots (signs of bleeding)
Increased in blurred vision
Sense of curtain being drawn over eyes 👀
Loss of portion of visual field, painless loss of central or peripheral vision
Cataract
Opacity of the lens that distorts the image projected onto the retina and can progress to blindness.
Cataract postOp care
Elevate HOB 30-45 degrees
Turn patient to the back or non-operative side
Maintain eye patch as prescribe
Orient patient to environment
Position client belongings to non-operative side
Used side rails
Assist with ambulations
Avoid rapid movements, straining, sneezing, coughing, bending, vomiting or lifting object heavier than 5lb. Avoid rubbing or placing pressure on the eyes.
Macular degeneration : loss of central vision. Vision loss is permanent
Deterioration of the Macular which is the central vision.
Tonometry
Measures pressure in eyes
Fluorescein angiography
Measures circulation in retina