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Current Trends in Tonometry and Tonometer Tip Disinfection.

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Area of Science:

  • Ophthalmology
  • Infection Control
  • Public Health

Background:

  • Tonometry is essential for measuring intraocular pressure, a key component of eye examinations.
  • The Centers for Disease Control (CDC) issued guidelines in 2008 for tonometer disinfection.
  • Reusable tonometer tips require proper disinfection to prevent pathogen transmission.

Purpose of the Study:

  • To assess how eye care providers (American Glaucoma Society and American Optometry Association members) adopted the 2008 CDC tonometer disinfection guidelines.
  • To understand current practices regarding tonometer preference, use, and disinfection methods.

Main Methods:

  • A survey was distributed to members of the American Glaucoma Society (AGS) and the American Optometry Association (AOA).
  • The survey collected data on tonometer preference, usage, disinfection processes, disinfectants employed, and tonometer damage.
  • Responses from 197 AGS members and 79 AOA members were analyzed.

Main Results:

  • The Goldmann tonometer remains the preferred and most accurate tonometer among surveyed providers.
  • A significant shift towards disposable tonometer tips has occurred since 1987.
  • While a majority of AGS members follow CDC guidelines (using disposable tips or 10% hypochlorite for reusable tips), a minority of providers using reusable tips disinfect with bleach.

Conclusions:

  • Most American Glaucoma Society providers now adhere to CDC tonometer disinfection guidelines, primarily by adopting disposable Goldmann tonometer tips.
  • A small proportion of providers using reusable tips do not follow CDC recommendations for disinfection with 10% hypochlorite.
  • Enhanced education on appropriate tonometer disinfection protocols is vital to mitigate the risk of eye-care related infections.