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Congenital nystagmus improved by marijuana

Medical ConditionAdverse effects

Abstract

19-year-old high school graduate, works 30 hours a week as a cook in a cafeteria, wears corrective glasses for myopia, has congenital horizontal nystagmus in both eyes. Marijuana slows or relieves eye movements, improving vision and ability to read.

Symptoms

Blurred vision related to nystagmus

Gender

Male

Age

18-24

Brief history and target symptomatology

Patient presented for first marijuana recommendation because of recent trauma to right wrist causing persistent constant pain. He has been using nonmedicinal marijuana since age 15 to relieve eye discomfort due to nystagmus. On examination, horizontal nystagmus OD>OS is confirmed, at a rate of 1-2 movements per second.

Previous and current conventional therapies

None.

Clinical response to Cannabis

Decreased eye discomfort and improved vision.

Additional Comments

References:
Very few peer reviewed. "Toxicology observation: nystagmus after marijuana use." J Forensic Leg Med. 2013 May;20(4):345-6. doi: 10.1016/j.jflm.2012.07.014. Epub 2012 Sep 1
Anecdotal: "Nystagmus Discussion Board: Treatments and Surgeries: Alternative Medicine: Medical Marijuana."

1.Nystagmus Discussion Board: Treatments and Surgeries: Alternative Medicine: Medical Marijuana. (Anecdotes.)

Usual method of Cannabis administration

Smoked

Frequency of Usage: Time Per Day

1

Frequency of Usage: Days per Week

7

Contributing Physician

Stefan Arnon M.D.