Review the list below and select the statement that accurately describes toxic anterior segment syndrome (TASS).
A) TASS is characterized by the introduction of bacteria into the anterior chamber during surgery.
B) Cultures of the vitreous typically show growth of gram-negative bacteria.
C) TASS is characterized by the introduction of nontoxic materials into the anterior chamber during surgery.
D) TASS typically presents within 24 hours after surgery.

Question

Quizplus · Accepted Answer

TASS is a sterile postoperative inflammatory reaction caused by a noninfectious substance that enters the anterior segment,resulting in toxic damage to intraocular tissues.TASS is limited to the anterior segment of the eye,is always Gram stain and culture negative,and usually improves with steroid treatment.Possible causes of TASS include intraocular solutions with inappropriate chemical composition or concentration,pH,osmolarity,preservative,denatured ophthalmic viscosurgical devices,enzymatic detergents,bacterial endotoxin,oxidized metal deposits and residues,and factors related to intraocular lenses such as residues from polishing or sterilizing compounds.An outbreak of TASS is an environmental and toxic control issue that requires complete analysis of all medications and fluids used during surgery,as well as complete review of OR and sterilization protocols.

Review the List Below and Select the Statement That Accurately