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 - Right Anopia
- Right Anopia
- Complete Vision Loss in 1 Eye
- Right Optic Nerve
- Retinoblastoma
- Gliomas
Visual Field Defects - Bitemporal Hemianopia
- Bitemporal Hemianopia
- Both Eyes Outside Vision Loss
- Tunnel Vision
- Optic Chiasm
- Suprasellar Compression
- Pituitary Adenoma
- Craniopharyngioma
Visual Field Defects - Left Upper Quadrantic Anopia
- Left Upper Quadrantic Anopia
- Pie in the Sky
- Meyer's Loop
- Right Temporal Lobe
- Middle Cerebral Artery (MCA) Infarct
Visual Field Defects - Left Lower Quadrantic Anopia
- Left Lower Quadrantic Anopia
- Pie on the Floor
- Dorsal Optic Radiation
- Parietal Lobe
- Middle Cerebral Artery (MCA) Infarct
Visual Field Defects - Left Hemianopia with Macular Sparing
- Left Hemianopia with Macular Sparing
- Vision Loss - Same Side in Both Eyes
- Center Spared
- Occipital Lobe
- Posterior Cerebral Artery (PCA) Infarct
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
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
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
Cataract
- Age-related
- No Pain
- Cloudy Opaque Lens
- Decreased Visual Acuity
- Occurs Gradually
- 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
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
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
Retinoblastoma
- Loss of Heterozygosity
- Chromosome 13
- Children
- Leukocoria
- Strabismus
- Vision Loss
- Osteosarcoma
- Genetic Testing
- Cryotherapy
- Photocoagulation
- Chemotherapy or Radiation
- Surgery