References
1. Advances in tonometry in companion animals. Oliver J. Vet Rec 171:370-371, 2012.
2. Comparison of the use of new handheld tonometers and established applanation tonometers in dogs. Görig C, Coenen RT, Stades FC, et al. Am J Vet Res 67:134-144, 2006.
3. Evaluation of the Perkins handheld applanation tonometer in the measurement of intraocular pressure in dogs and cats. Andrade SF, Cremonezi T, Zachi CA, et al. Vet Ophthalmol 12:277-284, 2009.
4. Evaluation of the Perkins handheld applanation tonometer in horses and cattle. Andrade SF, Kupper DS, Pinho LF, et al. J Vet Sci 12:171-176, 2011.
5. Evaluation of applanation tonometers for the dog eye. Gelatt KN, Peiffer RL Jr, Gum GG, et al. Invest Ophthalmol Vis Sci 16:963-968, 1977.
6. Evaluation of a rebound tonometer for measuring intraocular pressure in dogs and horses. Knollinger AM, La Croix NC, Barrett PM, Miller PE. JAVMA 227:244-248, 2005.
7. Validation of the TonoVet rebound tonometer in normal and glaucomatous cats. McLellan GJ, Kemmerling JP, Kiland JA. Vet Ophthalmol 16:111-118, 2013.
8. Evaluation of two applanation tonometers in horses. Miller PE, Pickett JP, Majors LJ. Am J Vet Res 51:935-937, 1990.
9. Evaluation of two applanation tonometers in cats. Miller PE, Pickett JP, Majors LJ, Kurzman ID. Am J Vet Res 52:1917-1921, 1991.
10. Calibration of the Schiøtz tonometer for the normal canine eye. Peiffer RL Jr, Gelatt KN, Jessen CR, et al. Am J Vet Res 38:1881-1889, 1977.
11. Evaluation of three applanation tonometers in dogs. Priehs DR, Gum GG, Whitley RD, Moore LE. Am J Vet Res 51:1547-1550, 1990.
12. Ex vivo evaluation of Tono-Pen and pneumotonometry in cat eyes. Stoiber J, Fernandez V, Lamar PD, et al. Ophthalmic Res 38:13-18, 2006.
13. Veterinary Ophthalmology, 4th ed. Gelatt KN—Ames: Blackwell Publishing, 2007.
14. Effect of eyelid manipulation and manual jugular compression on intraocular pressure measurement in dogs. Klein HE, Krohne SG, Moore GE, et al. JAVMA 238:1292-1295, 2011.
15. Effects of the application of neck pressure by a collar or harness on intraocular pressure in dogs. Pauli AM, Bentley E, Diehl KA, Miller PE. JAAHA 42:207-211, 2006.
16. TONO-PEN VET Veterinary Tonometer: User’s Guide. Reichert, Inc.; http://doclibrary.com/MSC167/PRM/68E3527-Rev-E-UG3402.pdf; accessed Mar 2013.