Clinical Investigation of Buttermere (LENS 271) Soft Contact Lenses
The purpose of the study is to compare clinical performance between two soft contact lenses.
⁃ i. Age 8 to 18 years; at least half the population will be children or adolescents aged 8 to 15 years.
⁃ ii. Have experience with soft contact lens wear and able to insert and remove soft contact lenses.
⁃ iii. Parent/guardian and participant have read and understood the Participant Information Sheet.
⁃ iv. Parent/guardian and participant have read, signed and dated the Informed Consent and Assent (when applicable).
⁃ v. Best corrected visual acuity of at least 20/25 in each eye.
⁃ vi. Have normal eyes with the exception of the need for visual correction.
⁃ vii. Spectacle refraction:
• Age 8 to 12: -0.75D to -4.00D spherical equivalent, with cylinder ≤ -0.75D and maximum anisometropia of \<1.00D
• Age 13-18: -0.75D to -7.00D spherical equivalent, with cylinder ≤ -0.75D and maximum anisometropia of \<1.00D.
⁃ viii. Be willing and able to adhere to the instructions set in the clinical protocol and maintain the appointment schedule.