This study aimed to compare the clinical performance of two daily disposable toric contact lenses.
This was a multi-center, randomized, participant-masked, bilateral study controlled by cross-comparison. Participants were assigned to either lens type in random sequence. Lenses were worn on a daily disposable wear schedule. Follow-up visits for each lens were performed after 1 week of wear.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
55
Daily disposable for one week
Daily disposable for one week
Cameron Optometry
Edinburgh, Edinburg, United Kingdom
Simon Falk Eyecare
Oakwood, Leeds, United Kingdom
Phipps Opticians
Heckmondwike, United Kingdom
Subjective Handling Rating on Lens Removal
Subjective handling rating on lens removal was measured on a scale of 0-100 where 0=Unmanageable and 100=Excellent removal.
Time frame: One week
Overall Lens Fit at Follow-up
Lens fit was reported as either optimum, acceptable, or unacceptable. To determine this, lens fit parameters (horizontal centration, vertical centration, corneal coverage, and lens movement) were measured on a 5-point scale (-2 to +2), where -2=Extremely nasal, 0=Optimum, and +2=Extremely temporal. Scores between -1 and +1 were considered "Acceptable". For overall lens fit to be 'acceptable', no parameters could be extreme. For a score to be 'optimum', all parameters needed to be optimum.
Time frame: One Week
Biomicroscopy Score at Follow-up
Slit lamp biomicroscopy was used to assign grades to various biomicroscopic signs, as assessed by investigator, using Efron Grading Scales scored to the nearest 0.1 unit. Grading ranged from 0-4, where 0=None and 4=Severe.
Time frame: One week
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