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Certain medications and drugs can cause side effects in the eyes. Interactions between drugs and the eyes, a sensitive organ, can range from merely an annoyance to serious conditions. It is important to be aware of the side effects to the eyes due to medications or drugs that you may be using. 

Close your eyes and imagine a rainbow, what do you see? 

For some, a vivid image comes to mind, but for others, they see nothing. This is known as aphantasia, the inability to picture things. Approximately 1-3% of people live with this inability.

Smoking harms every organ in your body including your eyes. It is less known that smoking causes eye problems and potential sight losing capabilities. One of the first ways smoking can affect you is through cataracts. Cataracts occur when the natural lens of the eye is clouded, this eventually could lead to blindness.

From underwater to space, changes in pressure can have severe effects on the body, especially in the eye. Check out this previous post regarding ocular issues in space!

https://azretina.sites.arizona.edu/node/794

What about when pressures get too high? 

Binoculars are a great tool that come handy, we know they help us see things at a distance in greater detail. Have you ever wondered how they work? Binoculars use a method called light refraction which is defined as the way light bends as it passes through different materials.

Visual Snow Syndrome is a neurological disorder of visual processing in the brain cortex. Those with this condition see many tiny flickering dots that fill the entire visual field as this affects both eyes. Victims of this condition find this annoying, but not disabling as the condition is like watching an old television set.

We all have heard of body fat percentage and the importance of maintaining it in a healthy range, but how do your eyes change in both extremes of being in a high body fat percentage and a low body fat percentage?

The Arizona RETINA students have made a series of videos for kids to learn about the eye.

Nystagmus is a condition in which you cannot control your eye movements. Your eyes make uncontrolled, repetitive movements that lead to a decrease in depth perception and vision.