Night vision to deteriorate rapidly with age

40-year-olds need four times as much light as a 20-year-old to see a person without safety vest in the dark. – They have night vision which is close to 70-year olds, says head of the Norwegian Opticians Association.

Seeing in the dark is a trait that quickly becomes worse with age. Are you in the 40s, you will notice that your vision has been noticeably impaired while driving, according to news agency Newswire.- People in their 40s have night vision which is nearly 70-year-olds than 20-year-olds, says general manager of the Norwegian Opticians Association, Per Kristina Knudsen Newswire.
Look no pedestrian in the dark

A new study shows that it takes twice as long for elderly people to spot a pedestrian in the dark.

Also read: Would you be able to stop? The survey discovered 20-year-olds pedestrian at 100 meters distance, while 70-year-olds not that person before the 50 meters distance. There are researchers from Queensland University of Technology in Australia and Clemson University in the US who conducted the study. Needs four times more light than 20-year-olds?

Newswire has recreated the survey in the video at the top of the case. They found that dark vision is bad before you reach retirement.

– As 40-year-old need four times as much light as a 20-year-old to read a book. Also in traffic need a person in their 40s much more light to see well, compared with a 20-year-old, says Knudsen.

Read also: Why you should not read in poor light when the eye gets older, release it in less light. It allows the retina does not perceive as much detail as when they were younger. There are increasingly older drivers in traffic. Between 2011 and 2031, nearly 890,000 license holders fill 75 years, according to a forecast from the NPRA. Then it is problematic that the Norwegians are not good enough to use reflex. Fewer than 30 percent use reflex

Asker and Traffic Safety Association checked recently the use of reflector in Brume. They spoke 1.541 pedestrians. Only 29 percent of them lit up in the dark. This was an improvement of one per cent from last year and three percent since 2005, writes Budstikka.

Also read: Now you can knit reflex mittens

Without reflection, a motorist drives in 50 km / h using two seconds to detect you. With reflex makes the driver ten seconds available. There are eight seconds can mean the difference between life and death.

According to Institute of Transport Economics happens 35 percent of fatal accidents in Norway with air in the dark. Only five percent of those who get hit and damaged user reflex, writes Budstikka. This can motorist do

Also motorists can take some steps to improve visibility.

– Clean windshields are a prerequisite to see well in the dark. Check that you have enough window washer fluid and wipers are in good condition, said Acting Communications Director Carina Henske in Road Safety for Newswire.

She also recommended checking that the headlights are working properly, and make sure the lights are clean. If you have poor night vision, and feel that you have poor visibility when driving, recommends Safe Traffic you to run a little slower than the speed limit.