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Problems With Night Vision

Well, it’s that time of year again… daylight savings time! For some of us, daylight savings time is welcomed because it gives us extra hours of sunshine in the morning. However for many people, especially those who have problems with night vision, the darker evenings earlier, makes for more difficult and unpleasant commutes home from work. But what exactly causes problems with night vision? There are many different reasons and conditions which make it harder for a person to see at night. Here’s some explanations for some of them.

Uncorrected Vision Problems Can Cause Problems Seeing At Night

Low light conditions tend to make things harder to see for almost everyone. But, for some people, the resolution for poor night vision, may be as simple as getting glasses. Just like needing glasses for only reading, there are some people who require glasses for use only at night. Often, small amounts of uncorrected prescription, such as for nearsightedness or astigmatism, may not interfere with vision during daylight hours when light is in abundance and a person can see more contrast and details. However, with a decrease in light, there is also a decrease in contrast which makes it much harder to see. Often, one of the earliest indications of needing vision correction is when people feel that they are starting to have a harder time seeing at night.

Some Eye Conditions and Diseases Also Make It Harder To See At Night

If seeing at night is harder, and it is not as a result from needing a prescription correction, it may mean that you have other eye issues which are causing your problem. An eye condition, like cataracts will often make it harder to see at night. This is because the cataract causes a clouding within the lens of the eye that reduces contrast. A cataract causes light that is entering your eye to become distorted. Often this causes blurry vision and well some people experience halos around lights at night. Again, an early tell tale sign that you may have the start of a cataract is a deterioration in night vision. Cataracts is just one of many medical problems that can cause problems at night, eye diseases such as keratinous, retinitis pigmentosa, and diabetic retinopathy, are just a few other eye conditions which can cause problems with seeing at night.

You May Require New Eyeglasses

If you already wear eyeglasses at night time, and you still find that you are having a hard time with your night vision, it may mean that you require different eyeglass lenses. Sometimes issues with glare, halos, and reflections, may just mean that you require an antireflection coating on your eyeglasses. If you already have an antireflection coated lens, it may mean that your lens coating has started to break down (craze) or that you have scratching on your lenses. Both scratches and a crazed lens will make it harder for a person to see in lower light conditions. Some lenses, such as digital lenses, make night time vision easier, as the properties of lens corrects for deviation of light.

Other Simple Solutions To Help With Night Vision

There are other simple things that a person can do to help with night vision. One thing is to make sure that the windshield of your vehicle and that the lenses within your eyeglasses are clean! Clean headlights also makes driving in the dark easier to see. If these simple solutions still don’t help and you’re afraid to go on the roads once it gets dark, make sure you schedule a visit to your optometrist, and let your eye doctor know of the problems that you are having.

Happy Daylight Savings!

Article Written By: Trina Vanaalst

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