Why does your vision get blurry after an optometrist visit but not while under the influence of drugs?

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To be a little clearer, when you get the eye drops from an optometrist it causes your pupils to dilate. When I did a google search the only answer that showed up is that your vision gets blurry because dilated pupils let more light in. Yet if you take LSD, MDMA, Cocaine etc. it also causes your pupils to dilate, yet people can still see clearly while on these drugs. They also don’t cause the light sensitivity that the eye drops do. What causes the difference?

In: Biology

3 Answers

Anonymous 0 Comments

Under drugs, you still have the ability for your corneas to adjust to differing light and focus on different distances.

Those eyedrops, at a basic level, inhibit dilation and contraction which screws focus.

In simple terms, the drops mean you have 1 focus distance so unless it is in that range you blind.

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