Disorders of the Anterior Chamber Flashcards
A pt is asymptomatic but has high intraocular pressure and optic nerve cupping of 0.8. What condition do you suspect?
Open angle glaucoma
What are the risk factors for open angle glaucoma?
Age
Family Hx (5x more likely if positive family Hx)
African Americans
Diabetes (2-3x more likely)
What are the causes of open angle glaucoma?
Imbalance between aqueous humor production and absorption
A pt comes in with decreased vision and a Marcus-Gunn pupil. The pt has high intraocular pressure and optic nerve cupping of 0.6. What is the best treatment for this pt?
Medication
Surgery (if medication fails)
(the pt has open angle glaucoma)
What is contraindicated for pt’s with open angle glaucoma?
Dilating the pupils
A 60 year old female pt presents complaining of unilateral blurry vision that just occurred this morning. She has intense eye pain, light sensitivity, nausea, and is sweating. Her intraocular pressure is 62. What treatment is recommended for this pt?
EMERGENCY referral to an ophthalmologist
the pt has acute angle closure glaucoma
A 65 year old man presents with nausea and vomiting, eye pain, blurry vision in his right eye, and is seeing haloes around lights. What is the most likely diagnosis for this pt?
Acute angle closure glaucoma
What are the triggers for acute angle closure glaucoma?
Stress
Dark
Dilating medications
A pt presents with blurry vision, eye pain, and redness of the iris. You notice decreased visual acuity and a constricted pupil. What are the likely causes for the pt’s condition?
Idiopathic
Autoimmune disorders (RA, IBD, Behcet’s Dz)
(the pt has uveitis)
A pt presents with rapid onset blurry vision and eye pain. He is light sensitive and has decreased visual acuity. What are the best treatment options for this pt?
Steroid drops Oral steroids Mydriatic drops (dilate) IMMEDIATE ophthalmologist referral (the pt has uveitis)
Where in the eye does uveitis most commonly occur?
Anterior chamber
A pt comes in who got hit in the eye earlier. He has ocular pain and blurred vision. You notice blood pooling in the anterior chamber. What is the most likely diagnosis?
Hyphema
A pt comes in with blood pooling in the anterior chamber. What diagnostic sign would you look for in this pt if you suspect severe hyphema?
Positive eight ball sign (blood is completely filling the anterior chamber)
A pt comes in with blurred vision and ocular pain. The pt has a positive eight ball sign. What is the most likely cause of the pt’s condition?
Trauma to anterior chamber
Complication from intraocular surgery
Bleeding d/t blood thinners
Von Willebrand’s disease
What would you do to treat a pt with hyphema?
EMERGENCY ophthalmologist referral