What could be a symptom of an eye condition other than glaucoma?

Loss of color perception is indeed a symptom that can be associated with various eye conditions, such as retinitis pigmentosa, color vision deficiencies, or even certain types of cataracts. These conditions can affect the photoreceptors in the retina or the optics of the eye, leading to difficulties in distinguishing between colors.

In contrast, other symptoms like rapid eyelid movements could suggest conditions like blepharospasm or myokymia, but they do not specifically correlate to conditions that primarily impact color vision. Persistent itching of the eyes typically points to allergic reactions or external irritants rather than an intrinsic eye condition affecting vision color perception. Lastly, clear and sharp vision would indicate a healthy visual status, which wouldn’t align with a symptom related to an eye condition. Thus, loss of color perception stands out as a relevant symptom that signifies an underlying issue in the eye, distinct from glaucoma or other conditions that may not specifically impact color vision.