**Core Concept**
The Amaurotic cat eye reflex, also known as the "cat eye reflex" or "cat's eye reflex," is a clinical sign associated with retinal pathology, particularly in conditions that affect the retina's ability to reflect light. This phenomenon is characterized by a bright, circular reflex in the pupil, resembling a cat's eye.

**Why the Correct Answer is Right**
The Amaurotic cat eye reflex is typically seen in conditions with retinal detachment or severe retinal disease, such as retinitis pigmentosa. In these cases, the retina's reflective layer (the tapetum lucidum) is affected, leading to an abnormal reflection of light. This reflection is often seen as a bright, circular reflex in the pupil, which is most pronounced in low-light conditions.

**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because the cat eye reflex is not typically associated with conditions affecting the cornea or lens, such as corneal ulcers or cataracts.

**Option B:** This option is incorrect because the cat eye reflex is not a feature of conditions primarily affecting the optic nerve, such as optic neuritis or glaucoma.

**Option C:** This option is incorrect because the cat eye reflex is not a characteristic of conditions primarily affecting the macula, such as age-related macular degeneration.

**Clinical Pearl / High-Yield Fact**
The cat eye reflex is often seen in patients with retinal detachment or severe retinal disease, and it can be a valuable clinical sign in the diagnosis of these conditions.

**Correct Answer: C. Retinitis pigmentosa.**