HEENT Flashcards
What are cataracts?
Opacificaiton + clouding of lens
5 D’s
Cataracts clinical manifestations
- Vision is hazy, blurred, or dimmer
- Photosensitivity
- See “halos” around lights + Glare
- See a progressive decline in vision over months to years
Cataracts Objective findings
What PE assessments and findings?
- NO conjunctiva REDNESS
- PAINLESS
- Full eye + neuro exam
- Pupil exam NORMAL (PERRLA)
- ABNORMAL red reflex
- Dull, extinct, or shady
- ABNORMAL red reflex
- Test visual acuity
What do you need to rule out first?
Cataracts differentials?
Macular degeneration
Diabetic retinopathy
RF?
What are cataracts commonly A/w
↑ AGE
Cataract Risk Factors
- Age
- Diabetes
- UV exposure
- Systemic steroid use
- HTN, CKD, HIV
- Eye trauma Hx
- EtOH use
- Tobacco use
Cataracts Patient Education
Cataract surgery contraindication
- Avoid night time driving
- Surgery is low-risk
- NO SRG if have active URI/coughing, or poorly controleld BP
Cataract Surgery
What to do pre-op?
What to do post-op?
- Med reconcilliation pre-op
* Alpha-adrenergic antagonist - Flomax → Floppy Iris Syndrome - Post-op:
- No heavy lifting, no straining
- Eye drop administration
- Wear sunglasses
- Go to urgent care if experiencing abrupt changes
Three things
Eyes complication signs/symptoms → ED
- ONLY IF ABRUPT CHANGES
- Sudden vision changes
- Darkening of vision
- Eye pain!
Definition
What is macular degeneration?
Types?
Degenerative disease of central portion of retina
Dry (non-exudative) + Wet (exudative)
Macular degeneration clinical manifestations (BOTH)
- Change in central vision
- Difficulties adapting to the dark
- Dark spots in vision
- Distorted straight lines
- Colors may appear less vivid or darker
Dry macular degeneration clinical manifestations
- Retinal atrophy
- Build-up of drusen (yellow deposits)
- Gradual central vision loss
- Fuzzy or distorted vision
- Scarring + thinning of retina
Wet macular degeneration clinical manifestations
- New blood vessels forming → swelling + bleeding into retina
- Sudden OR gradual central vision loss
- Blindspot in central vision
Macular degeneration PE techniques
Full eye + neuro exam
Test visual acuity
DX test for macular degeneration and purpose
Amsler grid
ID central cision defects - used for monitoring progression
Dry macular degeneration Pharmacologic txs
AREDs or AREDs2 for non-smokers only
These carry risk for lung cancer
Wet macular degeneration pharmacological txs
Intravitreous INJs w/VEGF inhibitors
Dry macular degeneration Nonpharmacological Txs
Risk modification
* Tobacco cessation
* UV protection
* BP + lipid control
Wet macular degeneration Nonpharmacologic txs
Photodynamic therapy
Laser coagulation txs d/t vessel changes
Macular degeneration Risk Factors + Referral education
- Age
- Tobacco Usage
- FMHx → Should see opthamology
- HTN
- HLD
Referral + regular F/U + Monitor w/Amsler grid
Definition
What is glaucoma?
Types?
- Condition resulting in progressive damange to optic nerve → vision loss
- peripheral → central vision loss
- Causing dysfunctional drainage of aqueous humor
- Types
- Primary angle-closure (ACUTE)
- Primary open-angle
Acute-angle closure glaucoma: clinical manifestations
- ↑ IOP (not definitive as this can still happen w/normal pressure)
- ABRUPT CHANGES
- Redness
- Eye PAIN
- Vision loss
- H/A
- Halos (as opposed to painless halos in cataracts)
VISION EMERGENCY DO NOT MISS
TX W/IN HRS
Primary open-angle glaucoma: clinical manifestations
- GRADUAL ↑ IOP d/t dysfunctional drainage → peripheal vision loss → central vision loss
- Bilateral s/s
- Painless = silent blinder
Glaucoma Objective findings
Glaucoma PE techniques
- Full eye exam
-
Optic cupping
- Look at ratio of cup size to disk (see a clear circle)
- Optic nerve fibers to brain damaged + destroyed from ↑ IOP on nerve cells → axon loss
Glaucoma differentials
Macular degeneration
Severe open-angle glaucoma
Angle-closure glaucoma pharmacologic txs
- Eye drops
- Systemic meds to ↓ IOP (short term)
Open-angle glaucoma pharmacologic txs
- Eye drops
- Prostaglandin analogs
- Lantoprost
- BBs (timolol)
- Combo products
Meds that will interact with glaucoma meds
Why avoid these?
SSRIs
Antihistamines
Decongestants
These will ↑ IOP
Angle-closure glaucoma nonpharmacological txs
Iridotomy to ↓ pressure
* Drill small hole in iris to allow drainage
* Acute occlusion of anterior chamber angle
Open-angle glaucoma nonpharmacological txs
- Laser txs
- Surgery - trabulectomy
- creating. ashunt to allow drainage
Glaucoma risk factors
- ↑ age
- FMHx
- Tobacco usage
- HTN
- Nearsightedness (myopia)
- ↑ IOP
- ↑ Prevalence in black, Latinx pop
Glaucoma referral management
Monitoring
- Routine testing of visual acuity
- Measuring IOP + visual field testing + dilated exam
- Ask about medication adherence
- Opthamology visits
Diabetic retinopathy
- Resulting from chronic effects of DM
- ↑ A1c = ↑ DM retinopathy risk
- Damanged blood vessels d/t hypergylcemia
Diabetic retinopathy clinical manifestations
- May be asymptomatic
- Floaters or light flashes
- Sudden vision loss if hemorrhage occurs
(overall) Diabetic retinopathy objective findings on exam
- Microaneurysms
- Dot-blot hemorrhages
- Cotton wool spots