Why Are My Pupils So Big? What Causes Dilated Pupils?
Thu, Nov 11, 21 By : KoalaEye Optical
What Causes Dilated Pupils? Dilated pupils mean that pupils are larger than normal and they are also called dilated eyes. The size of your pupils is controlled by tiny muscles in the colored part of your eyes and the amount of light reaching your eyes. If you are in the bright light, the pupils will get smaller to prevent too much light from entering your eyes. If you are in dim light, your pupils will get larger to allow more...

What Causes Dilated Pupils?

Dilated pupils mean that pupils are larger than normal and they are also called dilated eyes. The size of your pupils is controlled by tiny muscles in the colored part of your eyes and the amount of light reaching your eyes.

If you are in the bright light, the pupils will get smaller to prevent too much light from entering your eyes. If you are in dim light, your pupils will get larger to allow more light to enter.

The normal size of the pupil ranges from 2.0 to 4.0 millimeters in bright light and 4.0 to 8.0 millimeters in the dark. Besides, the pupil size tends to get smaller with age.

The average pupil sizes in three different lighting conditions were found to be 3.35 in direct light, 3.86 mm in normal room lighting, and 6.42 mm in near-total darkness.

If your pupils are larger than these numbers, you may have dilated pupils. Dilated pupils are not the same as anisocoria, a common condition where both pupils react normally to light but differ in size by about a half-millimeter or more.

Why Are my pupils so big? As a matter of fact, it can be affected by a lot of reasons, such as medications, eye injuries, brain injuries or diseases, recreational drug use, benign episodic unilateral mydriasis, Adie’s pupil, congenital aniridia, and so on.

So, what causes dilated pupils? It may be caused by a lot of reasons.

How to Treat Dilated Pupils?

As we have introduced what the dilated pupils are and how they occur, you may ask how I can treat the dilated pupils. If you notice you have dilated pupils or either of your pupils looks larger after head trauma, ask for the eye doctor or seek medical attention immediately.

If you have dilated pupils or your pupils react slower than normal to changing light conditions, you will be more sensitive to sunlight. Hence, you may need a pair of photochromic sunglasses or polarized sunglasses which can make your eyes feel more comfortable. If you need a pair of sunglasses, Koalaeye sunglasses are recommended for you. They are stylish and come at a cheap price.

To sum up, this post has shown what the dilated pupils are and shown the reason for dilation of the eyes. If you have any different ideas for the dilated pupils, you can share them in the comment zone. If you have any problems with glasses or sunglasses, you can contact us via the email service@koalaeye.com and we will reply to you as soon as possible.

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