Adaptation To and Satisfaction With Contact Lens Wear In Myopic Young Adults

This was a prospective, single group, dispensing clinical trial to determine subjective and objective visual performance measures, patient satisfaction and adaptability to a commercially available daily disposable contact lens in myopic young adults over 3 months of daily lens wear.

Inclusion criteria

• Is between 17 and 25 years of age (inclusive) and has full legal capacity to volunteer;
• Has read and signed an information consent letter;
• Is willing and able to follow instructions and maintain the appointment schedule;
• Has a vertex corrected spherical equivalent distance refraction that ranges between - 0.75D to -6.00D in each eye;
• Has astigmatism ≤ -0.75 DC in either eye, by refraction;
• Be correctable to better than 0.20 logMAR in each eye by refraction;
• Has habitually worn spherical soft contact lenses to correct for distance vision (i.e. no multifocal or monovision) for the past 3 months;
• Is willing to wear contact lenses for at least 10 hours a day, 6 days a week while in the study;
• Demonstrates an acceptable fit with the study lenses;
• Has ocular health findings considered to be "normal" and which would not prevent the participant from safely wearing contact lenses.

Exclusion criteria

• Is participating in any concurrent clinical or research study;
• Has a history of amblyopia;
• Has TNO Stereoacuity worse than 120" arc / or Titmus worse than 100" arc;
• Has any known active ocular disease and/or infection;
• Has a systemic condition that in the opinion of the investigator may affect a study outcome variable;
• Is using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
• Has known sensitivity to the diagnostic pharmaceutical (sodium fluorescein) to be used in the study;
• Is pregnant, lactating or planning a pregnancy at the time of enrolment (verbal confirmation at the screening visit);
• Is pseudophakic;
• Has undergone refractive error surgery;
• Has one of following experiences with MiSight lenses:
• Is currently wearing MiSight lenses or
• Has worn MiSight lenses for more than one week at any given time or
• Has worn MiSight lenses for any more than 30 minutes in the past 30 days;
• Has had orthokeratology treatment within the last 3 months.