Yes, it is true that sarcoidosis can impact eyes. Sarcoidosis refers to a disease which causes small masses of tissue clumps, leading to damage or dysfunction of organs impacted. It can happen to many organs of human body,mostly in lung. As to the impact on eyes, about 25-50% of patients with sarcoidosis complained about eye burning, itching, red, dry and watery, and some patients experienced blurry vision and increased sensitivity to light. The most severe eye problem from sarcoidosis is uveitis. It is a serious inflammation of the Uvea or the blood-rich membrane in eyes, which might lead to vision loss finally if left without treatment. It is recommened to have a detailed examination by the ophthalmologist if you are diagnosed to have sarcoidosis.