Category Archives: Pediatric Optometry

Vitamins for your Eyes

Eyes are complex organs that need many different vitamins and nutrients to function properly. Here are some key vitamins and nutrients that help maintain eye health. For example Vitamin A, Vitamin E, Vitamin C, Vitamins B6, B9 and B12, Riboflavin, Niacin, Omega-3 Fatty Acids, and Thiamine

Vitamin A assumes a crucial role in vision by keeping up a clear cornea, which is the outside covering of your eye. Vitamin A deficiency can lead to xerophthalmia, a serious condition that can result in blindness. In some studies, high amounts of vitamin A intake were associated with a reduced risk of cataracts and age-related macular degeneration.

Vitamin E, an antioxidant, might facilitate defend your eyes against damaging free radicals. It’s employed in a daily supplement referred to as AREDS as a possible treatment for AMD, and high amounts in your diet is also related to a reduced risk of cataracts

Vitamin C forms scleroprotein, a protein that has structure to your eyes. Observational studies recommend that this vitamin might shield against cataracts and facilitate stop the progression of AMD

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The combination of vitamins B6, B9 and B12 could facilitate scale back your risk of developing AMD by lowering your homocysteine levels.

As Associate in nursing inhibitor, riboflavin may protect against damaging free radicals in your eyes. Diets high in B-complex vitamin are related to a reduced risk of developing cataracts.

Studies counsel that nicotinic acid could forestall the event of eye disease, however supplements ought to be used with caution.

Omega-3 fatty acids have anti-inflammatory properties and should facilitate stop diabetic retinopathy (DR) once enclosed in your diet. These fats may aid those with dry disease.

Diets high in thiamine are related to a reduced risk of developing cataracts. Supplements have additionally been planned as the way to treat.

Lutein and carotenoid are useful plant compounds that will facilitate stop AMD and cataracts. No suggested daily intakes are established; however a diet high in fruits and vegetables will offer lots of these nutrients.

Smoking Can Lead to Vision Loss

In present days more people addicted to smoking.  Smoking presents to a number of major human health problems, including Lung Cancer, heart disease, stroke and cancer. But very low people know that smoking also affects your vision. It causes to Strabismus, age-related macular degeneration, diabetic retinopathy, Retinal infection, Vision loss and more problems.

At any age, smoking will increase your risks for developing cloudy vision from cataracts and sight loss from age-related macular degeneration (AMD). And therefore the additional you smoke, the upper your risk.

People who smoke area unit double as seemingly as nonsmokers to develop uveitis, a significant condition moving the complex body part affecting the uvea, or middle layer of the eye. Smokers are at larger risk for developing diabetic retinopathy, a vision-stealing disease affecting the eye’s retina.

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Glaucoma causes a gradual break down of the cells that form up the nerve in your eye that sends visual info to your brain (optic nerve). Because the nerve cells die, vision is slowly lost, typically starting with facet vision. Typically the loss of vision isn’t noticeable till an oversized quantity of nerve harm has occurred. This is often the explanation why as several as 1/2 all folks with eye disease is also unaware that they need it.

Tobacco smoke, together with second-hand smoke, is an irritant that worsens dry eye, it really an uncomfortable condition in the eye that’s commonest in women after menopause.

Smoking additionally will increase the chance of significant vision loss in folks with different eye diseases. And once women smoke during pregnancy they are more likely to give birth prematurely, swing their babies at higher risk for a doubtless bright illness known as retinopathy of immatureness further as different health issues.

The good news is that once folks quit smoking, their risks for a few eye diseases become nearly as low as for folks that ne’er preserved.

Smart Phone Harmful To Your Eyes

Nowadays most of the people using smartphones. Smartphone provides more benefits at the same time smart overuse may damage your eyes. Smartphones, Laptops, and e-readers all transmit blue light which is toxic to specialized cells known as photoreceptors located in the retina, and responsible for our vision. Results of new research now point to a specific way in which blue light emitted from electronic devices has the potential to lead to macular degeneration, a major cause of vision loss. Retinal produced by blue light is toxic to cells. The shorter wavelength of blue light measured to other types of light, packs greater energy, generating retinal which is toxic to photoreceptor cells in the retina. Macular degeneration results from the death of specialized photoreceptor cells in the retina, so critical for vision. Smartphone misuse could contribute to serious eye diseases such as glaucoma, macular degeneration and Retinal Diseases. Eye strain from improper smartphone habits creates unnecessary suffering. Night time smartphone use leads to poor sleep. And also causes to eye strain eyes feel dry, itchy, or stinging, blurred vision, headache, neck, or shoulder pain, seeing double, trouble concentrating, and fatigue.

Photoreceptor cells are vital to our vision by capturing visual images in the world and transmitting them to our brain via a compound known as retinal. Retinal is produced by our eyes and is reacted by the blue light which leads to a number of chemical reactions. But it turns out that some of these reactions lead to toxic radicals which can permanently damage these photoreceptor cells, leading to cell death. Once they are gone, they cannot regenerate. Blue lite exposed other types of cell cancer, cardiac and neuronal diseases. When the retinal-enriched cells were exposed to blue light, the end result was also cell death.

However, there is much you can do to prevent problems from smartphones. Finally one suggestion for all the people how to use smartphones without damaging your eyes. For example, preserve the phone farther away from your face is better. Your phone has a built-in report about your usage. Additionally, you can teach loved one’s habits that help preserve healthy vision.

Ocular Pharmacology and Drugs

The eye is a specialized sensory organ that is approximately secluded from fundamentally access by the blood-vitreous barriers, blood-retinal, and blood-aqueous; as a consequence, the eye exhibits some abnormal pharmacodynamics and pharmacokinetic properties. Because of its anatomical isolation, the eye offers a unique, organ-specific pharmacological laboratory in which to study the autonomic nervous system and the effects of inflammation and infectious diseases. No other organ in the body is so readily accessible or as visible for observation; however, the eye also presents some unique challenges as well as opportunities for drug delivery.

Ophthalmic diseases embrace each that analogous to general diseases and not analogous. Several anterior phase diseases square measure treated pharmacologically through eye drops that have an associate degree implicit therapeutic index of native medical care. Not like oral dose forms administered for general diseases, eye drops need patients not solely to stick to treatment, however, to be ready to accurately perform, instill drops properly. Anatomical and physiological barriers create topical delivery to the anterior chamber challenging in some cases tougher than absorption through the skin, nasal passages, or gut. Treatment of the posterior phase (eg, vitreous, retina, choroid, and optic nerve) is tougher because of extra barriers.

Recently, intravitreal injections became customary of care with biologics for the treatment of devolution and alternative diseases. Though the attention has esterases, hydroxylases, and transporters, it’s comparatively very little CYP450 enzymes. As a result of it’s difficult to get drug concentrations at the target website, ocular clinical Materia medical and so pharmacokinetic-pharmacodynamics interactions, square measure seldom offered. Ophthalmic prescribed drugs need to be thought of solubility, physiological pH, and osmolality; moreover, as sterility and stability, that successively needs the best medicine. Though applied regionally, ocular medications are also absorbed systemically, which ends up in morbidity and mortality (eg, general cardiovascular disease, spasm, and bradycardia).