Shining a Light onto the Iris from the Lateral Side

question 60

Multiple Choice

Shining a light onto the iris from the lateral side could cause a crescent-shaped shadow on the medial side if the patient is suffering from:

• A) hemianopsia.
• B) glaucoma.
• C) retinal artery occlusion.
• D) anisocoria.

---

Definitions:

Papilledema

Swelling of the optic disc due to increased intracranial pressure, often associated with symptoms like headaches and visual disturbances.

Night Vision

The ability to see in low-light conditions, often enhanced by technology in humans but naturally better in some animal species.

Cone Cells

Photoreceptor cells in the retina of the eye responsible for color vision and visual acuity under bright light conditions.