Which eye condition is linked to damage to retinal capillaries leading to blurriness?

• A. Cataracts
• B. Diabetic retinopathy
• C. Glaucoma
• D. Presbyopia

Answer: (B)

Diabetic retinopathy is a condition specifically characterized by damage to the blood vessels in the retina, which occurs as a complication of diabetes. This damage to the retinal capillaries can lead to a variety of visual disturbances, including blurriness. The condition often starts with mild changes and can progress to more severe vision problems if not managed properly. Blurriness arises due to the malfunctioning of the retinal cells and the accompanying edema, resulting from the leakage of fluid from the damaged blood vessels.

In contrast, cataracts involve clouding of the lens in the eye, which typically leads to overall blurry vision but is not linked to retinal damage. Glaucoma primarily affects the optic nerve and results from increased intraocular pressure, often leading to peripheral vision loss. Presbyopia is an age-related condition that affects the eye's ability to focus on near objects due to loss of elasticity in the lens, but it does not involve damage to the retinal structures or capillaries. The specific involvement of retinal capillary damage makes diabetic retinopathy the correct association with blurriness in vision.