Benefit Fact Sheet. TRICARE for Life (TFL) is TRICARE's Medicare-wraparound coverage available worldwide to TRICARE beneficiaries who are also entitled to Medicare. Essentially, TFL acts as a supplement to Medicare Part A and B, there are no special enrollment procedures or TRICARE premium payments. You must pay Medicare Part B monthly premiums.
It can also be made in a laboratory. Vitamin A is used for treating vitamin A deficiency. It is also used to reduce complications of diseases such as malaria, HIV, measles, and diarrhea in children with vitamin A deficiency.
Vitamin A is essential to the proper functioning of the retina. It also helps prevent night blindness by helping the eye to adapt to changes in lighting. Vitamin A also helps reduce the risk of age-related macular degeneration (AMD) and it inhibits the formation of cataracts. AMD and cataracts are the leading causes of visual impairment, so getting enough Vitamin A is essential to the health of your eyes.