Tag: cataracts

Cataracts are a clouding of the eye’s lens that prevents a clear image from forming on the retina, blurring vision. Most are related to aging. They are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery.

A cataract can occur in either or both eyes. It cannot spread from one eye to the other. Although most cataracts are related to aging, there are other types:

• Secondary cataracts can form after surgery for other eye problems, such as glaucoma. They also can develop in people who have other health problems, such as diabetes. Cataracts are sometimes linked to steroid use.

• Traumatic cataracts can develop after an eye injury, sometimes years later.

• Congenital cataracts sometimes appear in newborn babies or are developed in childhood, often in both eyes. These may be so small that they do not affect vision. If they do, the lenses may need to be removed.

• Radiation cataracts can develop after exposure to some types of radiation.

The eye’s lens is made of mostly water and protein, which is arranged in a precise way that keeps the lens clear and lets light pass through it. But as people age, some of the protein may clump together and start to cloud a small area of the lens. This is a cataract. Over time, it may grow larger and cloud more of the lens, making it harder to see.

Researchers suspect that there are several causes, such as smoking and diabetes. Or, it may be that the protein in the lens just changes from the wear and tear it takes over the years.

The most common symptoms are:

• Cloudy or blurry vision.
• Colors seem faded.
• Glare. Headlights, lamps, or sunlight may appear too bright. A halo may appear around lights.
• Poor night vision.
• Double vision or multiple images in one eye. (This symptom may clear as the cataract gets larger.)
• Frequent prescription changes in your eyeglasses or contact lenses.
• These symptoms also can be a sign of other eye problems. If you have any of these symptoms, check with an eye care professional.

Cataract is detected through a comprehensive eye exam that includes:

• Visual acuity test. This eye chart test measures how well you see at various distances.

• Dilated eye exam. Drops are placed in your eyes to widen, or dilate, the pupils. Your eye care professional uses a special magnifying lens to examine your retina and optic nerve for signs of damage and other eye problems. After the exam, your close-up vision may remain blurred for several hours.

• Tonometry. An instrument measures the pressure inside the eye. Numbing drops may be applied to your eye for this test.

Early symptoms may be improved with new eyeglasses, brighter lighting, anti-glare sunglasses, or magnifying lenses. If these measures do not help, surgery is the only effective treatment. Surgery involves removing the cloudy lens and replacing it with an artificial lens.

A cataract needs to be removed only when vision loss interferes with your everyday activities, such as driving, reading, or watching TV. Sometimes a cataract should be removed even if it does not cause problems with vision. For example, a cataract should be removed if it prevents examination or treatment of another eye problem, such as age-related macular degeneration or diabetic retinopathy.

Vitamin E Supports Heart, Brain, Eye, and Immune Health

You may not hear much about vitamin E, but it more than pulls its weight when it comes to your health. It’s an antioxidant that helps to protect cells from the damaging effects of free radicals (unstable molecules that occur naturally in the body). It boosts immunity, reduces the risk

Reduce Your Chances of Falling

Statistics from the Centers for Disease Control and Prevention indicate that, each year, one in every three adults age 65 or older suffers a fall. It’s thought that about six percent of these falls result in severe injuries, such as head traumas and fractures. Hip fractures are particularly common—and they

Steroids: Wonder Drugs, But Not Without Risks

The first steroid medication, cortisone, earned the reputation of a “wonder drug” more than 60 years ago when it was found to be effective in treating rheumatoid arthritis. Since then, the number of diseases and disorders treated with steroids has grown exponentially, to include asthma, colitis and other intestinal disorders,

Update: St. John’s Wort and Depression

The herb St. John’s wort has a 2,000-year tradition of use for depression, pain, and insomnia. It started to become popular in the late 1990s, when studies showed the herb worked as well as antidepressants (selective serotonin reuptake inhibitors, or SSRIs) at treating mild-to-moderate depression. St. John’s wort also had

A Cantaloupe By Any Other Name…

The folklore. The melon we know as cantaloupe in the U.S. is actually muskmelon, the term commonly used in Europe to describe these fragrant, orange melon fruits. Our cantaloupe (also called the North American cantaloupe) has a skin that appears netted, while the European cantaloupe, though it also has orange

Bent on Yellow Crookneck Squash

The folklore. The sunny burst of ubiquitous yellow crookneck squash in gardens and farmers markets is a welcome sign of summer. Named for its curved neck, the yellow crookneck squash, which originated in Mexico, has been pleasing palates for over 10,000 years. It is a staple food for Native American

4. Keeping Skin Healthy

In this chapter you’ll learn about the products and services we see, buy or use almost every day that may or may not have a profound effect on the health of our skin. Which foods should we eat or avoid? Which kinds of clothing apparel and accessories protect us? What

Enter Your Log In Credentials

Please Log In

You are trying to access subscribers-only content. If you are a subscriber, use the form below to log in.

Subscribers will have unlimited access to the magazine that helps people live more sustainable, self-reliant lives, with feature stories on tending the garden, managing the homestead, raising healthy livestock and more!


Please Log In

You are trying to access subscribers-only content. If you are a subscriber, use the form below to log in.

Subscribers will have unlimited access to the magazine that helps the small-scale poultry enthusiast raise healthy, happy, productive flocks for eggs, meat or fun - from the countryside to the urban homestead!