In the visual pathway:

• A. the lateral geniculate bodies are made up of t layers
• B. fibres for reflex pupillary constriction leave the optic nerve at the optic chiasm
• C. pituitary tumours can cause homonymous hemianopia
• D. macular sparing may or may not occur with lesions in the geniculocalcanine tract
• E. binasal visual field fibres decussate at the opticchiasm