Motion perception is your brain’s ability to detect external movements and objects. In other words, if your eyes are able to see some sort of object, then your motion perception has picked up and registered that image.
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Vision
The older you get, the harder it is to accurately perceive an image. The best known measure of reliable eyesight is visual acuity, your vision’s sharpness. As the brain’s visual pathways deteriorate, visual acuity, along with the ability to resolve detail, decreases.
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Research tells that that seniors have a limited Useful Field of View (UFOV), meaning they can’t see as much as younger adults or children. Because there are limits to what older adults can and can’t see, especially on the road, elderly drivers are relatively prone to get into car accidents.
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We all know and use the word “glare” to refer to situations where there is just too much darn bright light for our sensitive eyes to handle. Glare can be caused by the sun or artificial lights, like car headlamps.
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If you aren’t exactly sure what is visual accommodation, we are more than happy to explain: it is eye’s ability to adjust and simultaneously focus on objects at different distances.
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Poor visual acuity, which is common amongst seniors, reduces contrast detection sensitivity. So, the ability to detect contrast naturally declines with age. Reduced contrast sensitivity is also due the scattering of light as it enters the eyes, making it harder for the eye to detect distinctions. This is especially the case for the elderly.
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Useful field of view, also known as UFOV, is a fancy term to describe everything and anything you can see in one single glance.
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Seniors are particularly sensitive to glare; as excess light enters the eye it doesn’t get properly absorbed and gets scatters throughout. This makes everything a bit brighter than it should be.
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The RC46 clock radio by RCA is the perfect companion in the morning. This alarm clock rates high in all the major categories. Throw in its' affordability, and this is one of the better ones out there.
A simply snazzy alarm clock. The Electric Alarm Clock from Elgin gives you 7 different display colors to choose from.
The iC172 iPod dock alarm clock radio by Emerson features more than an iPod docking station. It features an integrated LCD projector which allows you to project the time in LARGE numerals onto your wall or ceiling. The large projected display is ideal for anyone who has poor vision or a difficult time seeing without the aid of eye glasses.
Wake to your docked iPod, the radio, or--if you must--a classic buzzer alarm. Whichever you choose, a gradual alarm feature gently raises the alarm volume, so it's not too jarring. Great options and features on a great alarm clock.
Newly designed for 2010 with a bigger display and bigger sound, the iP90 represents the latest in iHome's #1 clock radio franchise. Made to charge, play and wake to iPhone/iPod, it has many great features including a remote, AM/FM pre-sets, dual alarm, Time Sync, 7-5-2 alarm settings and more.
With a unique wedge design and silver case with a blue lens cover, the Sharp SPC019F Red LED Alarm Clock with a Wedge Style Case will add a dash of color and flair to your bedside table. A red 0.6-inch LED display ensures that you'll always know exactly what time it is, and an alarm with a snooze feature means that you can catch a few extra winks before starting your day.
