October 3, 2012 (UPDATED October 10, 2012) — Improper use of dermal fillers to treat frown and laugh lines can cause retinal artery occlusion (RAO) and permanent blindness, according to a South Korean ...
After investigating nine patients who experienced vision loss after hyaluronic acid filler injections, researchers classified blindness into four distinct types. They suggested that although ...
October 7, 2009 (Phoenix, Arizona) — Despite having very different mechanisms of action, botulinum toxin and hyaluronic acid fillers, when used in combination in the lower face and perioral region, ...
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