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
Dilation drops do in fact dilate your pupils by inhibiting the muscle contraction of the muscles of the iris AND also produce what is called cycloplegia which inhibits the ciliary muscle inside the eye which is responsible for what is called accommodation. The inhibition of accommodation, focusing ability of the lens, is what causes more of the blurred vision that the actual dilation of the pupil with eye drops. Drugs such as cocaine do not cause cycloplegia.
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