22
Methods
The study conducted was a single visit, single- centre,
non-randomized, non-masked paired crossover study. The study
obtained IOP measurements on each eligible eye with the
TonoCare and the reference standard Perkins tonometer.
Subjects were recruited according to the following inclusion and
exclusion criteria.
Inclusion Criteria
• Subjects must be over 18 years of age
• Subjects must have healthy corneas with no contraindications
for IOP measurements
Exclusion Criteria
• Subjects with only one functional eye
• Subjects with one eye having poor or eccentric fixation
• High corneal astigmatism (>3D)
• Corneal scarring, corneal surgery (including laser corneal surgery)
• Microphthalmosis
• Buphthalmos
• Contact lens wearers
• Dry eyes
• Lid squeezers
• Nystagmus
• Keratoconus
• Any other corneal or conjunctival pathology or infection
A total of 74 eligible participants were recruited, with 2
participants (2.7%) excluded. The reason for exclusion of two
participants was due to excessive blinking or anxiousness resulting
in the participant holding their breath. From the included 72
participants, IOP was measured in both eyes of all participants with
TonoCare and Perkins AT, giving paired IOP measurements for a
total of 144 eyes.
3.2.6 Clinical performance data
(continued)
Содержание Tonocare
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