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Pupil function and disorders that affect it
Medically reviewed by Johnstone M. Kim, MD Key Takeaways The pupil controls how much light enters the eye, allowing for clear ...
Q: What signs or symptoms should alert the PCP to a possible problem? Ms. Becker: Marijuana users may have red, puffy eyes. People injecting cocaine or heroin may have skin abscesses, endocarditis, ...
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