Lutein and Zeaxanthin are two types of carotenoids, which help to activate vitamin A in the body, and have several protective properties in regards to our eye health. Vitamins C and E are powerful antioxidants that can potentially reduce the amount of oxidative damage on our eyes. While research findings show these nutrients can or may optimize eye health, studies that look at supplementation of individual nutrients do not always show positive results.
A varied and balanced diet should supply us with sufficient quantities of all the vitamins and trace elements needed to keep us in good health. The human body stores Fat-soluble vitamins, mainly in the liver or adipose tissue subsequently these types of vitamins do not need to be consumed on a daily basis, however water-soluble vitamins cannot be stored by the body so it is necessary to consume these on a regular basis as vitamins are substances that the body cannot produce. This was the first vitamin to be discovered, Vitamin A is categorised into two main groups; Retinoids and Carotenoids, these are also known as Performed vitamin A.
There are a various number of contrasting Carotenoids but only 10% of these are classed as pro-vitamins.
Carotenoids are vital to the eye, these are powerful antioxidants known as lutein, zeaxanthin and lycopene. Vitamin C can also be referred to as ascorbic acid, its most important task within the body is it involvement in collagen production.
Trace elements are less understood than vitamins but it is believed that trace elements are minerals required in small quantities to help vitamins to work. Many studies have taken place on understanding the function of nutrition and dietary supplements and their effect on vision.
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We are using innovative methods for the care and wellness of the ear, nose, throat and parts of the head and neck. From teeth whitening to full mouth reconstruction, We cover all the bases to produce healthy, quality smiles. Maintenance of the skin integrity, vision and eyes better health, an adequate immune system along with an important role in growth , development are some of the scientifically established functions of the vitamin A as discussed here. The chemical substances required for the adequate functioning and better health of the human body are traditionally divided into six main nutrients groups, namely carbohydrates, proteins, fats, vitamins, minerals and water.
One thing to understand here is that despite being of utmost importance to us, out body is unable to synthesize vitamins.
An adequate amount of vitamin A is responsible for normal vision and eyes better health.  The retinal form of vitamin A, combines with a specialized protein called opsin in the photosensitive cells of retina to make a chemical substance called rhodopsin. The retinol form vitamin A is found to promote the growth and maintain the integrity of the epithelial cells and better health of the skin. Vitamin A comes in two main forms depending upon the source of origin, whether plant or animal. The animal forms are collectively referred to as retinoids and are present in following substances. Carotenoids are basically colored pigments of the plant origin that are converted by our body into vitamin A.
The most precious sensory organ, your Eyes is often neglected despite knowing that life would be all dark without them.
Vitamin A, an antioxidant compound plays a significant role in maintaining the health of the Eyes by protecting the surface (cornea) of the same. Colorful fruits and vegetables such as oranges, carrots, sweet potatoes, spinach, peppers, kale and cantaloupes contain a pigmented element called Carotenoid or Beta carotene which acts as a true antioxidant and protects Eyes against any damage from free radicals. This water soluble Vitamin is a powerful antioxidant and found in abundance in all citrus fruits and vegetables. Vitamin D is a newly found Eye Vitamin where recent findings claim that it may prove beneficial in all age related degeneration problems of the Eyes. This may actually not be that far from the truth - the vitamin A found in carrots is a crucial nutrient to optimize eye health. Suffering from inadequate vitamin A stores in the body can cause night blindness, as vitamin A is a component of the cells that are responsible for seeing in dim and darker lighting.

Lutein and zeaxanthin comprise certain pigments within the retina and help to improve sharpness in vision. In spite of varied scientific results, several studies have shown that antioxidants like vitamin C and vitamin E may slow down the onset of age-related macular degeneration, prevent the formation of cataracts, and help to maintain acuity in eyesight. Zinc has shown to slow the progression of age-related macular degeneration and improve visual acuity. Whether or not omega-3 fatty acids play a role in the prevention of macular disease or slowing degeneration of eye function is still debatable and warrants further research.
Although there are some specific nutrients considered important for the eye and vision, these can be bought over the counter, in fact many high street Opticians will stock these as they are classed as general sales list medicines which require no supervision from a pharmacist. Excessive amounts of vitamins can build up and may be harmful, however the body discharges these in urine. Retinoids are found only in foods of animal origin, this is a fundamental element of the retinal photo-pigments, whereas Carotenoids are found in fruit and vegetables particularly brightly coloured red and yellow fruits and dark green leafy vegetables. Healthy tissues can be damaged by free radicals which are produced by cell metabolism, these free radicals are broken down by the antioxidants in vitamin A. There are several within this group that are significant to ocular health; nutritional amblyopia has been linked to deficiency in thiamine (B1), niacin (B3), folic acid (B9), or cyanocobalamin (B12) or a combination. It is an antioxidant and is necessary for wound healing and the preservation of healthy blood vessels. It also helps in the functioning of the thyroid gland, the maintenance of cell membranes and possibly cancer prevention.
It has a vital function in the metabolism of vitamin A and is found in the choroid and retinal receptors and may be connected in maintaining the health of the crystalline lens. Amongst these nutrients, vitamins are found to play a very important role in our metabolism. The remaining part of these fat soluble vitamins after they have performed their desired function is stored in different tissues of the body tissues. Rhodopsin in the simplest words acts as a receptor for light, thereby activating the whole pathway that makes us able to perceive an image. Preparations containing vitamin A have also been successfully used in the treatment of dermatologic diseases such as psoriasis and acne.
It is obvious from the fact that vitamin a deficient kids suffering from measles are more likely to suffer from lethal complications of the problem and a simple vitamin A supplementation is found to significantly reduce the mortality in these patients.
The most abundant source of Carotenoids as we all know is carrot, however colored vegetables and fruits in general have varying amounts of these compounds.
Healthy Eyes and healthy vision are synonymous with each other and requires all vital nutrients and Vitamins to prevent dry Eye disease, glaucoma, cataracts and other macular degeneration problems.Vitamins are important substances and key elements that promote healthy functioning of all the organs of the body.
Formation of collective tissue such as collagen of the cornea and blood vessels such as capillaries of the retina are the main functions of Vitamin C that help in promoting in Eye Health. Decrease in retinal inflammation and macrophage are effectively visible in number of patients taking Vitamin D as an essential supplement. In addition, vitamin A has antioxidant qualities that fight against potential eye infections and helps to stall macular degeneration (the loss of eyesight that occurs naturally as we age). As antioxidants, lutein and zeaxanthin prevent oxidative damage and reduce the risk for both macular degeneration and cataract formation.
Citrus fruits (such as oranges, lemons, limes, and grapefruits), strawberries, bell peppers of all colors, and broccoli are just a few examples of foods that are rich in vitamin C. Studies looking at zinc saw the most benefits for eye health when consumed with foods containing vitamin A, C, and E. While the scientific community continues to explore the relationship between essential fatty acids and eye health, we do know that omega 3s are beneficial for your health in other ways (e.g. It is more important to strive for a balanced diet that incorporates the color spectrum of fruits & vegetables as well as a variety of whole grains and protein in order to achieve the appropriate nutrients for not only eye health, but overall health in general. Vitamin A is associated with general maintenance of the eye, achieving a healthy epithelium and the production of mucus.
Vitamin C deficiency causes fatigue and bruising and in severe cases leads to the condition of scurvy.

It is connected with the protection of cell membrances, and helps protect vitamin A from oxidation in the retina. Zinc deficiency causes poor wound healing and night blindness and has been linked in disease of the optic nerve. This explains the importance of a balanced diet and also the fact that deficiencies involving most of the vitamins along with all the serious complications occurring secondary to it mostly occur in the areas deprived of the nutrition due to poverty.
They help the enzymes who are associated with cell production, metabolism and tissue repair.
Vitamin A derived from animal sources such as beef, chicken liver, cheese and milk is known as Retinol and have various functions associated with the Eyes. Long term consumption of vitamin C through diet or supplements ensure good health of muscles, joints, gums and aging related conditions of the Eyes. Though milk and its products and exposure to sunlight are good sources of Vitamin D, it is usually suggested to take extra supplements for improved vision. There are several key nutrients involved in maintaining good eye function that can be easily obtained through a balanced diet. Vitamin A can be found in the orange-family of fruits and vegetables including butternut squash, sweet potatoes, red bell peppers, and carrots, but also in dark green leafy vegetables, eggs, liver, and milk (2-3). Lutein and zeaxanthin can be obtained in the diet through carrots, orange and yellow peppers, salmon, eggs, cantaloupe, corn, and white pasta (1, 3, 4). High protein foods like meat, poultry, and fish are the best sources of zinc in addition to nuts, whole grains, and legumes (1, 3, 5, 6). Vitamin A, lutein, zeaxanthin, vitamin C, vitamin E, zinc, and essential fatty acids such as Omega-3s show the most beneficial outcomes in eye health when present all together. Insufficient vitamin A leads to reduced night vision, susceptibility to infection and conjunctival corneal drying. Vitamin E is present in many foods and deficiency in a normal diet is rare but may arise in people with digestive problems who are unable to absorb dietary fats.
Prospective buyers of these products should always be advised to consult their GP before starting to take supplements.
Vitamins maintain and improve the functions of the Eyes, in particular by acting on the neurological and cardiovascular systems of the body. It supports the bio-electrical course of action performed by the Eyes and removes damaged cells from the same.
Vitamin E Protecting cell membranes of all organs including Eye against free radicals is the main function of Vitamin E. Research has shown that in addition to vitamin A, other carotenoids such as lutein and zeaxanthin, vitamin C, vitamin E, zinc, and some essential fatty acids are important components to preventing degenerative eye diseases.
Vitamin B complex is present in many foods and deficiency in a normal diet is rare, but absorption by the digestve system of B1 and B12 in particular is easily unsettled by alcohol. The compounds d-alpha-tocopherol or all natural “d” forms found in Vitamin E are highly recommended for the Eyes as they help in defending them from harmful environmental pollutants. Knowing why certain nutrients are so important to eye health (along with the foods they contain) is key because there is absolutely no replacement for sense of sight and the quality of life good vision can bring (1).
Handful of nuts such as cashew, almonds, hazelnuts, peanuts and walnuts are rich sources of Vitamin E and should be included in daily diet for avoiding all age related problems. All these above mentioned Vitamins work on different aspects of the functioning of the Eyes and provide good health of the same throughout. Besides Vitamins, regular brisk walking and good sleep stimulate blood circulation and continuous lubrication of the Eyes to help them further.

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