Outdoor low vision devices

Wednesday, September 9th, 2009 at 2:51 pm Post in All the other information of vision care

Individuals with low vision problems may experience certain inconvenience and even difficulty during outdoor activities varying from shopping to simple walking. Fortunately, there are a wide variety of low vision devices that offer help.

Light and glare sensitivity are the most common vision problems among people with cataract, macular detachment or diabetic retinopathy. Solutions include glare-reducing and blue-blocking lenses, which absorb the blue portion of visible light spectrum. Blue light absorption degrees can also be controlled. And light transmission percentage is one of the parameters of glare-reducing lenses. These lenses come in colors include light and dark gray, yellow, orange etc… Prescription and nonprescription sunglasses, clip-on as well as side-shielded fit-over styles are all available. A more advanced type is photochromic lens, which darkens and lightens in accordance to different light conditions.

There are also some low vision aids for outdoor distance vision, such as handheld monocular telescopes, binocular telescopes and eyeglass-mounted telescopes. Certainly, the powers of different telescopes should match personal visual needs. Another more advanced low vision device for multiple uses is head-mounted electronic magnifying glasses, which include of a portable control unit and a rechargeable battery. Mounted on your head, these glasses can automatically adjust light focus for near, distance or intermediate vision. This type of low vision aids provides both convenience and more depth perception.

Blind people or those with trouble walking are always considered helpless. It is true that falls account for most of the injury-related deaths among these people, especially old ones. For those people, aluminum canes and walking sticks are helpful. They help seriously low vision individuals navigate unpaved areas and keep their balance. Canes also come in various options such as foldable, telescoping types and those with reflective tapes.