Anatomy & Function
This carries vision messages to the brain.
Optic Nerve
Pt. reports a coughing fit and soon after notices a red eye. No pain. No vision change. Normal eye exam.
Other eye injuries, Blood on sclera (subconjunctival hemorrhage)
Inflammation and flaky skin at the edge of the eyelids that may be related to skin dandruff or associated with a bacterial infection of the eye.
Blepharitis
The only reason to report a case of Blepharitis is if there is a skin rash (tiny blisters) on face near eyes.
False. Report blepharitis if there is a recent hx of same, more than mild eyelid pain, skin rash on face near eyes or an abnormal fluorescein dye test.
What are two parts of the plan to treat bacterial conjunctivitis?
Antibiotic ointment and removal of eye crusts and discharge, wash hands frequently, avoid sharing towels, do not wear contacts until medication are finished, etc. (per CHAM)
The structure behind the pupil: focuses light onto the retina
Lens
Used to provide continuous irrigation.
What are Morgan Lens?
Name three causes of conjunctival inflammation (conjunctivitis).
Bacterial, Viral, Allergic (irritating chemical also common)
Is an opacity within the lens.
What is a cataract?
Is an inability to accommodate for near objects.
What is Hyperopia?
The thin covering over the eyeball and inner eyelids
Conjunctiva
In the assessment of Glaucoma what would you expect to see as a nurse reading the chart?
Intraocular pressures (IOP) greater than 21 is considered Glaucoma.
Normal Range: 18-21 mm Hg
This can occur when eye pressure is too high and the causes damage to the optic nerve. Side vision (peripheral vision) is affected first.
Glaucoma
Is a separation of the sensory retina and the underlying pigment epithelium, with fluid accumulation between the 2 layers. Can see flashing lights or a shade type effect blocking vision, cobweb or hair net appearance, or ring in the field of vision.
What is Retina Detachment?
Regular hand washing, seeking healthcare at early sign of disease, wearing sunglasses, eye protection.
Thick fluid filling the (posterior chamber) back part of the eye.
Vitreous Humor
This is when I feel confident when I read a question on an exam.
What is OWN WHAT I KNOW! I GOT THIS!
An infected meibomian gland on the edge of the eyelid.
What is a
Hordeolum (or a Sty)?
Is classified by dry (non-exudative) or wet (exudative).
What is Age-related Macular Degeneration (AMD)
Is an inflammation or infection of the cornea.
What is Keratitis?
Attaches to the sclera and produces movement of the eye.
Extraocular muscles
When a client is positioned on a mark exactly 20 feet (6M) from the Snellen eye chart.
What is to assess visual acuity?
Medical term for blood between the conjunctiva and sclera. Often caused by minor trauma to the eye.
Subconjunctival hemorrhage
Is an inability to accommodate for objects at a distance.
Myopia
Have no progression of visual impairment, follow the treatment plant, and have no complications.
What are the overall goals of a patient with Glaucoma?