Retinoblastoma
- Loss of Heterozygosity
- Chromosome 13
- Children
- Leukocoria
- Strabismus
- Vision Loss
- Osteosarcoma
- Genetic Testing
- Cryotherapy
- Photocoagulation
- Chemotherapy or Radiation
- Surgery
Age-Related Macular Degeneration (AMD)
- Dry (nonexudative)
- Wet (exudative)
- Scotomas
- Blurred, Darkened Vision
- Loss of Central Vision
- Distortion of Vision
- Drug Therapy
- Surgery
- Low-vision Assistive Devices
Nonproliferative Diabetic Retinopathy
- Increased Capillary Permeability and Leakage
- Often Asymptomatic
- Retinal Microaneurysms
- Flame-shaped Hemorrhages
- Cotton Wool Spots
- Hard Exudates
- Macular Edema
- Treat Diabetes
- Laser Photocoagulation
- Bevacizumab
Proliferative Diabetic Retinopathy
- Angiogenesis
- Increased VEGF
- Asymptomatic Until Late-stage
- Vitreous Hemorrhage
- Retinal Detachment
- Glaucoma
- Findings of Nonproliferative Diabetic Retinopathy
- Laser Photocoagulation
- Surgery
- Bevacizumab
Hypertensive Retinopathy
- Chronic Hypertension
- Flame Hemorrhages
- Arteriovenous Nicking
- Retinal Microaneurysms
- Cotton Wool Spots
- Macular Star
- Papilledema
- Lower Blood Pressure
Detached Retina
- Flashes of Light
- Floaters
- Curtain Like Shadow
- Eye Patch
- Bed Rest
- Surgical Emergency
- No Vigorous Activity
Uveitis Overview
- Uvea
- Middle Layer of Eye
- Iris
- Ciliary Body
- Choroid
- Anterior Uveitis
- Inflammation of Iris or Ciliary Body
- Posterior Uveitis
- Inflammation of Vitreous, Choroid, or Retina
Cataract
- Age-related
- No Pain
- Cloudy Opaque Lens
- Decreased Visual Acuity
- Occurs Gradually
- Surgery
Visual Field Defects - Anatomy Overview
- Optic Nerve
- Vision Loss in One Eye
- Optic Chiasm
- Bitemporal Hemianopia - Both Eyes Outside Vision Loss
- Optic Tract
- Homonymous Hemianopia - Both Eyes Same Side
- Dorsal Optic Radiation
- Lower Quadrantic Vision Loss
- Meyer's Loop
- Upper Quadrantic Vision Loss
Visual Field Defects - Homonymous Hemianopia
- Homonymous Hemianopia
- Vision Loss - Both Eyes Same Side
- Optic Tract
- Parietal Lobe
Visual Field Defects - Bitemporal Hemianopia
- Bitemporal Hemianopia
- Both Eyes Outside Vision Loss
- Tunnel Vision
- Optic Chiasm
- Suprasellar Compression
- Pituitary Adenoma
- Craniopharyngioma
Closed-Angle Glaucoma
- Lens causes pupillary obstruction
- Aqueous humor builds behind iris
- Iris bends forward, obstructing trabecular mesh
- Hypoxia Causes Neovascular Proliferation
- Contraction and obstruction of trabecular mesh
- Asymptomatic
- Eye pain and blindness
- Rock-hard eye
- Headache
- Emergency
- Epinephrine contraindicated
Primary Angle-Closure Glaucoma (PACG - Acute)
- Rapid Increase in IOP
- Rapid Onset
- Pain
- Blurred Vision
- Halos Around Lights
- Nausea and Vomiting
- IOP over 30 mm Hg
- Drug Therapy
- Surgery
Open-Angle Glaucoma
- Humor Has Access to Trabecular Meshwork
- Painless
- African American
- Elderly
- Positive Family History
- Most Common Form of Glaucoma
- Unknown Mechanism
- Blocked Trabecular Meshwork (With Open-Angle)
- WBCs
- Red Blood Cells (RBC)
- Retinal Products
Primary Open-Angle Glaucoma (POAG - Chronic)
- Flow of Aqueous Humor Slowed
- Slow Onset
- No Pain
- Tunnel Vision
- IOP 22-32mm Hg
- Drug Therapy
Central Retinal Artery Occlusion
- Atherosclerosis
- Atrial Fibrillation
- Giant Cell (Temporal) Arteritis
- Sudden Painless Monocular Vision Loss
- Descending Curtain
- Retinal Plaques
- Grayish Retinal Discoloration
- Cherry Red Spot on Macula
- Ultrasound
- Ocular Massage
- Reduce Intraocular Pressure
Central Retinal Vein Occlusion
- Hypercoagulability
- Hypertension
- Diabetes Mellitus
- Non-Ischemic
- Mild to Moderate Vision Loss
- Sparse Dot-blot and Flame Hemorrhages
- Ischemic
- Sudden, Painless Vision Loss
- "Blood and Thunder" Appearance
- Cotton Wool Spots
- Papilledema
- Observation if Non-Ischemic
- Laser Photocoagulation
- VEGF Inhibitors