lighting the way

 

Lighting the Way

A guide to better lighting for older adults was developed by the Lighting Research Center and the Andrus Foundation. It is available for download

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man rubbing eyes

 

Does Your Eyesight Change From Day To Day?

Your blood sugar could be rising and falling. This effects your whole body including your eyes. Over time, uncontrolled high blood sugar damages the delicate blood vessels in your eyes. These damaged vessels leak blood, which affects your vision. Some food choices and an excercise plan can control high blood sugar. You may be pre-diabetic or actually have diabetes without knowing that you have it. Please don't delay in learning all you can about what your body needs. See your doctor and have a frank discussion. Diabetes could lead to blindness and it CAN be treated.

 

Vision Direct Contacts

 

Having blood pressure monitored

 

We Don't Think About High Blood Pressure Damaging Vision, But It Can

High Blood Pressure (HPB) can strain the vessels in the eyes and the optic nerve. HBP can cause the blood vessels to either narrow or bleed when they are subjected to too much blood pressure force. Also, the optic nerve may swell, reducing the ability to see well. Untreated HBP can cause permanent vision problems. Using an ophthalmoscope, a healthcare professional can look at the network of tiny capillaries on the retina to evaluate the condition of the blood vessels in the eyes. Managing blood pressure is the only way to treat hypertensive retinopathy. Damage from High Blood Pressure is cumulative, so the longer you have it, the higher the likelihood of permanent damage.

 

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Lovely woman

 

Natural Eye Changes As We Age

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Presbyopia

Many things about us change as we grow older, including our eyes. The first thing we might notice is having to hold something further away when we read. This is called presbyopia.

 

Before the age of forty or so, the natural lens of the eye is very flexible. This flexibility helps the lens focus on objects that are close up or far away. But as we grow older, the lens loses its flexibility and its harder to see up-close objects. If you have presbyopia, you might have to hold an object like a book or a menu farther away to see it clearly.

 

Seeing In The Dark

As we grow older, the pupil gets smaller so less light reaches the retina. In addition the lens yellows and thickens with age, also impeding the transmission of light. This means that older people need extra lighting and have more trouble seeing when it is dark.

 

Bright Lights

Our older eyes are slow to adapt to changes in light. Bright lights may require extra blinking and a moment to adjust. If some areas of a room or surface are brighter, it may be harder to see things in the dim spaces. This can make driving a car at night especially challenging.

 

Colors

The ability to see some colors can gradually diminish as we age. This especially affects the ability to tell the difference between blues and blue-greens. Some medications that older people take can also affect color vision.

 

Dry Eye Syndrome

Dry eyes happen when tear glands cannot make enough tears or produce poor quality tears. As we get older, our eyes naturally produce less tears. Having laser eye surgery or wearing contact lenses can make the problem worse. Dry eyes are more than just irritating. Your eyes need to stay wet to keep them healthy. Dry eyes will hurt your vision if you let it go for a long time. If you've got mild dry eyes, artificial tears, which can be bought without a prescription, can bring back the moisture your eyes are missing. A humidifier in the home can help if you are in a dry climate. As a last resort, there are surgical procedures that can improve dry eyes.

 

Tearing

Tearing, or having too many tears, can come from being sensitive to light, wind, or temperature changes. Protecting your eyes by shielding them or wearing sunglasses can sometimes solve the problem. Tearing may also mean that you have a more serious problem, such as an eye infection or a blocked tear duct.

 

Medications

Some medications can affect our vision. Since we are living longer than ever before, and taking meds much longer, these side-effects are showing up. If you decide to see your doctor about vision problems, a review of your meds might be in order.