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lupus rash eyes

Lupus and Eye Issues: How Lupus Affects Your Eyes

Lupus is a chronic autoimmune disease that causes the immune system to attack healthy parts of the body, creating pain, inflammation and fatigue. Eyes are among the parts of the body that lupus can affect, causing issues of dry eye, scleritis, retinal vascular lesions, blood vessel changes in the retina and sometimes nerve damage. More […]

human eye close up

How the Eyes Work: Anatomy, Vision and More

Human eyes function when the three parts of the eye work together to let in light and focus the light to the retina, which sends electrical signals through the optic nerve to the brain. Eyes have three distinction sections — front, center and back. The front handles light input and focus. The center ensures the […]

driving at night

Night Vision Problems

Night vision problems are causes why someone cannot see clearly in low-light conditions. The most common reasons are age-related eye conditions, glaucoma, cataracts, presbyopia, diabetic retinopathy and complications for eye surgery, among others. Eye doctors can sometimes help someone see better at night by performing glaucoma surgery or cataract surgery and sometimes by refractive eye […]

eye drops dry eyes

Xalatan Eye Drops: Usage, Side Effects and More

Eye doctors routinely prescribe the prescription eye drops Xalatan for their patients who have glaucoma. The medicated drops promote fluid drainage, an effective way to lower high pressure inside the eye. About 3 million Americans have glaucoma. An overwhelming majority of them qualify to use Xalatan, but it is essential to seek medical advice before […]

Low Vision Rehabilitation: How it Works

Low vision rehabilitation is an education and training process for people who have a low-vision condition that cannot be corrected by glasses, contact lenses or corrective surgery. Training programs are designed for practical, functional solutions to challenges that arise because of a person’s limited eyesight. Intro A program of low vision rehabilitation is one that […]

woman in eyeglasses

What Is Considered Perfect Vision? How Common is Perfect Vision?

Visual acuity is what most people think of when considering how well your eyes function. The standard for measuring visual acuity is an eye chart test, which measures the clarity of vision at a distance of 20 feet.  20/20 vision is what eye doctors consider to be “good or normal” vision. Contrary to popular belief, […]

How Animals See the World

Have you ever looked at your pet and wondered what could be going on in their head? While we may not be able to read the minds of animals, as eyesight experts, we can use scientific studies and decades of research to reveal how various animals are seeing the world.  To do this, we reviewed […]

woman with hazel eyes

Brown Eyes vs. Hazel Eyes: What Is the Difference?

People often confuse hazel with brown eyes because of the nearly similar hues. Although rare, hazel eyes have the second-highest concentration of melanin, making them appear light brown in some environments.   Typically, hazel eyes take the color of a hazelnut — a mixture of green and brown. But color combinations of other shades like gold, […]

woman taking amsler grid eye test

Amsler Grid Eye Test: How to Use It and How It Works

The Amsler grid is a vision-testing tool with a square pattern (crossed vertical and horizontal lines that form squares). A dot in the middle of the grid serves as a focus point for those who take the test.   Anyone who suspects a change in vision can self-administer the test at home in coordination with […]

woman pointing to eye shape

Eye Shapes: Which Eye Shape Do I Have? What Glasses Are Best?

People often choose eyeglass frames based on price and style, but the shape of your eyes matters too. Understanding what eye shape you have and how frames could enhance them could help you choose glasses that look better on your face. What Different Eye Shapes Are There? Several different types of eye shapes exist. Here’s […]

child with eye patch

Eye Patches for Eye Health – Uses, Types, and How They Work

Eye patches are one tool that eye doctors have to treat patients who have one of a small number of conditions. They are mostly used to treat a lazy eye or crossed eyes in children and double vision. It’s rare that someone has a wear a patch long-term, and most treatments that involve its use […]

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