Flashcards in Corneal Disorders Deck (25):
Decreased Visual Acuity
Severe Deep Pain
Photophobia (in addition to these)
Severe foreign body sensation
Severe HA w/ nea
Patients are generally asymptomatic.
May occur spontaneously or with coughing, sneezing, straining or vomiting.
Subconjunctival Hemorrhage Tx
No specific therapy is indicated.
Blood will typically resorb in 1-2 weeks
May want to work up hematologic or coagulation abnormality
A degenerative disorder of the eye where the cornea assume a conical shape instead of spherical.
- Substantial vision distortion
- Typically diagnosed in adolescent years
- If bilateral, may have difficulty with daily activities
- Term most often applied to any defect in the corneal surface epithelium.
- AKA corneal epithelial defect
Recurrent (Spontaneous) foreign body
- No immediate antecedent injury or foreign body
- Basement membrane disturbance resulting in recurrent breakdowns of the epithelium.
Pain + Foreign Body Sensation = _________?
Presumed corneal abrasion
Regardless of intervention, corneal abrasions usually heal within ____ to ___ hrs
24-72 hours. This is because the eye is the most vascular part of the body
Should I use an eye patch for a corneal abrasion?!
No. Don't be dumb. dumbface.
Why is Abx ointment better than drops for corneal abrasion?
Because it lubricates as well.
What are 2 good options for topical Abx for corneal abrasion from fireign body/trauma w/o contacts?
Erythromycin and Sulfacetamide
What is the best Abx for contact lens related abrasion?
Ciproflaxacin for the suspected pseudomonas infxn.
Are topical anesthetics a good option for pain management in corneal abrasions?
NO, they inhibit corneal epithelial healing
Infectious pseudomonas keratitis can result in corneal _____ and ______ within _____ hrs.
Melting and perforation within 24 hours. Do NOT patch
How often should corneal abrasion patients follow up?
Every 24 hours until abrasion is fully healed.
Foreign Body Removal
2nd: Try the swab
3rd: Refer to someone who knows what the hell they are doing
In the meantime: Treat w/ topical abx (erythro)
Corneal ulcers are most commonly due to ______.
- Severe allergic eye disease
Inflammation of the cornea
Purulent or watery discharge
Usually an aggressive course.
Cornea is hazy w/ central ulcer.
May be admitted for constant tx
Flouroquinolones are preferred
Herpes Simplex Keratitis
- Dendritic, branching ulcer is most characteristic
- Refer these patients
Tend to occur after injury from plant material.
More common in contact lens wearers
Multiple stromal abscesses