Essay On Night Blindness

Partial blindness is one of the conditions that occurs in the eyes. In 2010, the number of optically impaired people was estimated to be two hundred and eighty-four million in the world, of whom thirty-nine million were sightless (1). Most of the people with partial blindness are successful people because most of people with partial blindness never give up ,and they see their lives differently . Night blindness and color blindness make people see their lives differently, each one of them has it is own definition and between them there are three main similarities and two main differences. Blindness, sightlessness, is a condition that affects humans and makes them people with blindness which means unable to see (2). First of all, there are

However, night blindness and color blindness are still different types of blindness. Therefore, there are two differences between them (1). One difference between night blindness and color blindness is that people with night blindness and people with color blindness can do a lot of things in their lives , but not the same things. For example, people with night blindness can drive cars only with the presence of sunlight because their problem with seeing in low light situations not with colors , so when there is very strong light such as sunlight , they can see the road clearly, and they can also distinguish between the different colors in the traffic signal. Unlike people with night blindness , people with color blindness cannot ever drive a car because their problem is with colors ,so they cannot distinguish between the different colors in the traffic signal. The other difference between night blindness and color blindness, is that people with color blindness and people with night blindness can know their problem by themselves, but in different ways. For example, people with color blindness can know their problem when they eat their meals .For instance, when they eat green tomatoes and think it is a red, which is mature, or when they eat raw meat and think it is cooked. Unlike people with color blindness, people with night blindness cannot know their problem when