Cold Sores & Fever Blisters. What Causes Cold Sores and Fever Blisters? Both cold sore and fever blister refer to the lip blisters caused by infections of the Herpes Simplex I virus (not to be confused with Herpes Simplex II, which is generally associated with genital herpes). Cold Sores are viral infections which cause recurrent groups of irritating, even painful blisters on the lips.
Lutein and zeaxanthin protect your eyes from harmful high-energy light waves like ultraviolet rays in sunlight. Studies suggest that a high level of both in eye tissue is linked with better vision, especially in dim light or where glare is a problem. Diets rich in these two nutrients may help hold off age-related eye diseases.
Lutein is a carotenoid found in dark leafy green vegetables such as spinach. Lutein is highly concentrated in the macula, the part of the eye responsible for central vision.* Bausch + Lomb PreserVision Â® Lutein brand contains 5 mg of FloraGlo Lutein per soft gel, which gives you 10 mg of lutein per day. Key Features & Benefits. 1  For patients seeking an AREDS-based formula but who should avoid beta-carotene, such as smokers. 2  Convenient to take soft gels - 1 in the morning, 1 in the evening. # 3 1 recommended eye vitamin and mineral supplement among vitreoretinal eye doctors.