Eent Flashcards
(491 cards)
What do you see in the eye with hypertension?
That AV nicked my copper wire and burst into flames.
AV nicking.
Copper wire.
Flame hemorrhages
Cotton wool spots
What do you see in the eye with diabetes mellitus?
Blot had a micro amount of new cotton candy
Cotton wool spots.
Micro aneurysms.
Neuro vascular
Blot hemorrhage
In the eye what size are the retinal vessels and veins?
Arteries are brighter, red and narrow than veins with artery and vein having a 2 to 3 or 4 to 5 ratio
What does the Snellen eye chart mean?
2020 means that the patient can see at 20 feet with a normal person can see at 20 feet the larger the denominator of the poor of the patient’s vision.
Hyperopia
Farsightedness.
We’ll see in an older person
An example would be an older person, reading the newspaper, and having to move back the newspaper to view the words
Myopia
Nearsightedness, we’ll see in younger people
Presbyopia
Common after age 40, results and greater difficulty maintaining a clear focus at a near distance due to the lessening of flexibility of the crystalline, lens and weakening of the Solari muscle which controls Lens focus
Arcus senilis
Cloudy appearance of the cornea with a gray white arc or circle around the limbus due to deposition of lipid material the arcus has no effect on vision could indicate hyper lipidemia
Arcus senilis
Cloudy appearance of the cornea with a gray white arc or circle around the limbus due to deposition of lipid material the arcus has no effect on vision could indicate hyper lipidemia
Pterygium
Raised, wed shaped growth of thin, non-cancerous tissue over the conjunctiva normally seen in dry climates or surfers
HORDEOLUM or stye
Acute inflammation caused by staphylococcus aureus
Signs and symptoms include abrupt onset, accompanied with pain and erythema of the eyelid. Localized tender mass developing an eyelid.
Management, hot compresses for 10 minutes for two times a day. Next line if needed oral antibiotics for preseptal cellulitis, which include clindamycin, Bactrim, augmentin. Or cefdinir
CHALAZION
Be nodule on the eyelid, infection, or retention cyst of the meibomian gland usually on the upper eyelid.
Symptoms: swelling on the eyelid, eyelid, tenderness, sensitivity, to light, increase tearing, if very large may cause astigmatism due to pressure on the cornea.
Management, warm compresses, and referral for surgical removal
Blepharitis
Staphylococcus infection of seborrheic dermatitis of the lid edge
Signs and symptoms: red, scaly, greasy flakes. Thickened, crusted lid margins. Burning. Itching. Tearing.
MANAGEMENT, hot compresses. Topical antibiotics such as bacitracin or erythromycin. Vigorously, scrub lashes and lid margins with eyes closed and follow with thorough rinsing .
Conjunctivitis
Pink eye, resulting from allergies, chemical, irritation, bacterial, viral, or Gyno cockle or chlamydia infections.
What does bacterial conjunctivitis look like in symptoms and what is the treatment?
Purulent discharge.
Self limiting: antibiotic ointment are drops which include floxicins and mycins
If recurrent refer to ophthalmologist
What does gonococcal conjunctivitis look like? Is it an emergency? And what do you do?
Yes, it is an emergency.
The discharge is copious and purulent.
Referred to ophthalmologist, ceftriaxone 1 g IM plus azithromycin 1gm single dose
What is chlamydia conjunctivitis and what do you do?
Doxycycline 100 milligrams twice a day for 10 days or azithromycin 1gm single dose
What is allergic conjunctivitis look like and what do you do?
Stringy discharge, increase tearing.
Oral antihistamines, refer to allergist or ophthalmologist. Steroids are not ordered in primary care because of the possible increase intraocular pressure and activation of herpes simplex virus.
What does viral conjunctivitis look like and what do you do?
Watery discharge.
Symptomatic care: preservative, free, artificial tears, cool compresses with washcloth, and NSAIDS
What does herpatic conjunctivitis look like? And what do you do?
Bright red eyes and irritated.
Referred to ophthalmologist, treatment includes course of oral antivirals, such as aCyclovir and long-term follow up
When do you screen for glaucoma?
Recommended by age 40 by tonometry
What are the symptoms of open angle glaucoma?
Asymptomatic
elevated intaocular pressure.
Cupping of the disc,
Construction of visual fields
What are the signs and symptoms of closed angle glaucoma?
It is acute
Extreme pain.
Blurred vision.
Halos around lights*
Pupils dilated or fixed
What is the normal intraocular pressure
10-20