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A visit to the chiropractor took a sharp — and unexpected —
twist when a 59-year-old woman developed vision problems after
her treatment, according to a new report of the woman's case.

The woman had gone to the chiropractor for a neck manipulation
intended to treat her headaches. After the visit, however, the
woman developed three floating vision spots in her right eye.
She described them as tadpole-shaped and continuously visible,
according to report.

OVERDOSE ON ERECTILE DYSFUNCTION MEDICATION LEAVES HIM WITH RED-
TINTED VISION

The first spot appeared in her eye immediately after her visit,
and the other two showed up a day later, she told the doctors
who examined her. These spots, it turns out, are symptoms of
ruptures in the eye's blood vessels, known as preretinal
hemorrhages. They were likely caused by a chiropractic technique
known as high-velocity, low-amplitude spinal manipulation — a
jarring method that involves the application of short, quick
thrusts to the back of the patient's neck, the doctors reported.
['Eye' Can't Look: 9 Eyeball Injuries That Will Make You Squirm]

Chiropractic work in the neck area has previously been linked to
carotid-artery injuries, according to the repot. The carotid
arteries supply blood to the eyes and brain.

But the new case is the first reported evidence of a forceful
chiropractic technique affecting the jelly that fills the eye,
known as the vitreous humor. High-speed manipulation of her neck
may have detached part of the jelly globe from the back of her
eye and caused bleeding, creating the floating "tadpoles" in her
vision, the doctors reported.

"Within minutes of the neck manipulation" the woman's bleeding
began, said case report lead author Dr. Yannis Paulus, an
assistant professor with the Department of Ophthalmology and
Visual Sciences at the University of Michigan. The timing of
when the first spot appeared — as the woman was driving home
from her chiropractor appointment — "makes other causes less
likely," he said.

WAVE RUPTURES WOMAN'S ARTERY AFTER STRIKING HER IN NECK

"I would speculate that possibly the reverberations of the neck
manipulation caused trauma to the vitreous jelly," which in turn
caused the vitreous to separate from the retina, Paulus told
Live Science. Friction between the woman's detached vitreous and
her retina then likely caused bleeding in retinal blood vessels,
he said.

Neck manipulation during a chiropractic session can also break
up and release arterial plaque — solid buildups in the arteries
caused by cholesterol deposits — which can also contribute to
eye damage, Dr. Raj Maturi, a clinical spokesperson for the
American Academy of Ophthalmology, told Live Science. Maturi,
who was not involved in the woman's case, explained that when
these fragments of plaque are jarred loose, blood flow can carry
them to the eyes, where they may cause microscopic tears.

About two months after the woman's "tadpole" eye spots first
appeared, her vision returned to normal without any additional
treatment, according to the report.

The findings were published online in the September issue of the
American Journal of Ophthalmology Case Reports.

https://www.foxnews.com/health/womans-eye-damage-linked-to- chiropractor-visit?intcmp=ob_article_footer_text&intcmp=obnetwork

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