CYPRESS Efficacy and Safety Study Extension | NCT04947735 | Trialant

CYPRESS Efficacy and Safety Study Extension | NCT04947735 | Trialant

Arms/Interventions Module

Arm Groups

Label	Type	Description	Intervention Names
CYPRESS Extension Test Arm	Experimental	Single vision, impact resistant spectacle lenses; CYPRESS Test Arm 1 and CYPRESS Test Arm 2 will move into CYPRESS Extension Test Arm	Device: Novel spectacle lens design
CYPRESS Extension Control Arm	Placebo Comparator	Single vision, impact resistant spectacle lenses; CYPRESS Control Arm remains in control lenses as the CYPRESS Extension Control Arm	Device: Spectacle lenses

Interventions

Name	Type	Description	Arm Group Labels	Other Names
Novel spectacle lens design	Device	Use of single vision, impact resistant spectacle lenses may reduce the rate of progression of juvenile myopia	CYPRESS Extension Test Arm

Outcomes Module

Primary Outcomes

Measure	Description	Time Frame
Axial length	Test vs. control axial length change from baseline	72 months
Spherical equivalent refraction (SER)	Test vs. control spherical equivalent refraction (SER) change from baseline	72 months

Contacts/Locations Module