Homonymous hemianopia or quadrant anopia

Definition

Homonymous, binocular field defects present the same or similar patterns in both eyes. They are caused by lesions of the retro-chiasmal pathways.

4 subordinate codes

• 9D42.60Right hemi-field homonymous hemianopia or quadrant anopia
• 9D42.61Left hemi-field homonymous hemianopia or quadrant anopia
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Patterns of visual field impairment

• 9D42.2Peripheral field deficit
• 9D42.3Hemianopic or quadrantic loss
• 9D42.4Central scotoma
• 9D42.5Para-central scotoma
• 9D42.7Heteronymous hemianopia or quadrant anopia
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified