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Night Vision


January is the second month of winter and typically the coldest month of the year. Reduced daylight hours and freezing temperatures present potentially hazardous conditions for most people, but increased danger to those of us with poor night vision.

Having good vision is part of the normal functioning of a human body and during the icy weather conditions common at this time of year it is especially important for you to have good vision when driving in the dark.

Night vision is the ability to see in a dark environment. Typically our vision is less sharp in the dark than during daylight hours and it is important that we give our eyes a little bit of attention to keep them working at their best.

Tips to Improve Night Vision:

  • Eating a piece of sugar helped the Soviet Special Forces see better in the dark as night vision depends largely on the sugar level in the blood.
  • Increase your vitamin A intake with supplements or foods such as broccoli or sweet potato, and eating carrots is not just an old wives tale, they are an excellent source of vitamin A!
  • Nutrients like Lutein, Ginkgo Biloba, Bilberry and Zeaxanthin help improve night vision.
  • Allow ample time for your eyes to adjust, it takes around 25 to 30 minutes for eyes to entirely adjust to the dark.
  • Avoid looking directly at the bright light sources while you are navigating in the dark.

These are some small measures that could improve your night vision, but if you feel you are experiencing problems with your night vision, you should consult your optician for a thorough examination.

A number of people suffer from more extreme night time vision deficiencies caused by a condition called nyctalopia or night blindness. People with night blindness typically see poorly in the dark but see normally when adequate amounts of light are present. While not a disease itself, occasionally night blindness can be an early symptom of a progressive eye disease.

One example is retinitis pigmentosa, a genetic condition that reduces the ability to respond to low lighting conditions and is untreatable. Sufferers will often lose the ability to see in daylight conditions and may eventually go blind. While not all eye conditions can be prevented, there are steps we can take to slow their progression and for others, such as cataracts, can be remedied fairly easily.

Diabetes sufferers are at increased risk of experiencing night blindness.

Take steps to protect your eyesight by booking a thorough eye examination and see in a fantastic new year.

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