Kubota Glass Parameter Refinement Study

Inclusion Criteria: * Be of legal age or, if under legal age have written consent of their parent or guardian to participate. * Sign written Informed Consent (and the California Bill of Rights, if applicable). * Ages 8-24 (inclusive) and able to understand and assent to participation * Have need of optical correction for myopia, from -1.00 to -5.00 diopters (D). * Have a refractive astigmatism of less than -1.00 D. * Best Spectacle Corrected Visual Acuity (BSCVA) of 20/25 or better. * Be willing and able to follow instructions and attend the schedule of follow-up visits. Exclusion Criteria: * Not able or willing to provide informed consent and assent * Eye injury or surgery within twelve weeks immediately prior to enrollment * Currently enrolled in an ophthalmic clinical trial * Pregnant or lactating or expect to become pregnant during the trial * Evidence of systemic or ocular abnormality, infection or disease * Any systemic disease including autoimmune disease, immunocompromising diseases, connective tissue disease, clinically significant atopic diseases, insulin dependent diabetes, use of medications including corticosteroids and antimetabolites that may affect the eye * Habitually uncorrected anisometropia ≥ 2.00 * Subjects who have undergone corneal refractive surgery * Use of a treatment for myopia progression within the past 6 months, including atropine, specialized spectacle lenses, orthokeratology, specialized soft contact lenses