What damage can high blood pressure have on eyes? whites of my eyes get blurry & blood red. i think it is my blood pressure but others say allergies.

Hypertension: Along with causing heart and kidney problems, untreated high blood pressure can also affect your eyesight and lead to eye disease. Hypertension can cause damage to the blood vessels in the retina, the area at the back of the eye where images focus. This eye disease is known as hypertensive retinopathy. The damage can be serious if hypertension is not treated.

Significant damage: Hypertension may cause damage to the retina by damaging the blood supply to the retina. This can cause retinal hemorrhage, blurring of vision and even complete loss of vision. Also, can cause optic neuropathy. It can also lead to fluid build up in the choroid, needing surgery. Allergy presents with runny nose, reddening of conjunctiva and sclera, itching and watering of eyes, sneezing etc.