Tonopen

TonopenA tonopen is a portable, hand-held instrument that provides a safe, fast and accurate method of testing intraocular pressure. Eye drops that contain a drug to numb the eye are given, then the instrument is gently placed on the cornea, and a reading is obtained. A tonopen is used in emergency to quickly detect increased pressure in the eye.

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Union City

New Hours:


Monday - 9:00 AM - 5:30 PM
Tuesday - 9:00 AM- 2:00 PM
Wednesday - 9:00 AM - 5:30 PM
Thursday - 9:00 AM - 5:30 PM
Friday - 9:00 AM - 4:30PM

Please contact us online, or by phone at 510-431-5511, or toll-free at 1-877-NEOVISION with any questions about care, or about scheduling appointments.

We have also updated our Safety Protocols for NeoVision Staff and Patients During COVID-19.
Learn More Here.