Juvenile Myopia, Myopia, Myopia Progression
Conditions
Brief summary
This is a two-arm parallel group, non-dispensing study. Participants will be existing active CYPRESS Extension (CPRO-1802-002) subjects. Subjects will undergo additional visual performance assessments.
Interventions
Use of single vision, impact resistant spectacle lenses may reduce the rate of progression of juvenile myopia
DEVICESpectacle lenses
Single vision, impact resistant spectacle lenses
Sponsors
SightGlass Vision, Inc.
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
9 Years to 14 Years
Healthy volunteers
Yes
Inclusion criteria
* Existing subject from the CYPRESS Extension study (CPRO-1802-002) * Ability to comply with study assessments * The subject's parent(s) or legal guardian(s) must read, understand and sign the Statement of Informed Consent and receive a fully executed coy of the form
Exclusion criteria
* Any current ocular infection, inflammation or irritation likely to affect vision
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Visual Acuity | 15 minutes | Reading Speed (maximum words per minute) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Near Visual Acuity with Glare | 15 minutes | Mean and Standard Deviation at 15 minutes (short duration test) |
Countries
United States
Outcome results
None listed