The Triggerfish Lens and Glaucoma Monitoring By Samuel Karnes.

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Presentation transcript:

The Triggerfish Lens and Glaucoma Monitoring By Samuel Karnes

Glaucoma Intraocular pressure on the optic nerve o Blindness Four types o Chronic (open angle) o Angle Closure (acute) o Congenital o Secondary

Triggerfish Lens Sensimed AG Strain gauges o around the outer edge Micro-processor Antenna o Radiofrequency waves Bluetooth

Current Glaucoma Tests Tonometry Procedures Eye is numbed with numbing drops o Slit-lamp is moved forward until tonometer touches the eye o Handheld device touches the eye and takes pressure reading o Pressure is read from change in light reflections when air hits the eye (Air Puff) Each procedure only reads IOP for a few seconds

Advantages 24 hour IOP monitoring Silicon hydrogel (used for regular contact lens) o Easy to wear Non-Invasive

Disadvantages Not available in U.S. currently Each lens only provides a single use Common adverse effects o Eye irritation o Blurred vision

Testing Results Effective results for 36 of 40 patients 82% blurred vision 80% inflammation and reddening of the eye o Symptoms usually went away within 24 hours

Conclusion Lens collects more data than current tests o Seconds of monitoring vs. hours Long term o More accurate diagnoses o Better information for finding a possible cure

Questions?

Refrences [1]Gravitz, Lauren. "Mobile Computing Is Just Getting Started." MIT Technology Review. MIT, 31 Mar Web.. [2]Haughton, Alison N. "Tonometry." Health Facts. Ebsco, n.d. Web.. [3]"Sensimed Triggerfish." Sensimed Triggerfish | Sensimed. Sensimed AG, Web.. [4]"Contact Lens Measures Intraocular Pressure." Contact Lens Headlines RSS. Access Media Group LLC, 11 Feb Web.. [5]Gever, John. "Contact Lens Promising in Glaucoma." Contact Lens Promising in Glaucoma. MedPage Today, 13 Aug Web.. [6]"Glaucoma." Glaucoma. U.S. National Library of Medicine, 14 Sept Web..