Myopia Control Spectacle Lens Cessation Study

NCT ID: NCT05893979

Last Updated: 2025-05-18

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

NA

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-06-23

Study Completion Date

2026-07-31

Brief Summary

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To quantify myopic progression (cycloplegic spherical equivalent refraction - cSER) following the cessation of use of specific spectacle lenses.

To quantify axial length progression following cessation of use of specific spectacle lenses.

Detailed Description

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Conditions

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Myopia Myopia Progression Juvenile Myopia

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Test Lens Group

Group Type ACTIVE_COMPARATOR

Spectacle Lenses

Intervention Type DEVICE

Standard Spectacle Lenses

Control Lens Group

Group Type ACTIVE_COMPARATOR

Spectacle Lenses

Intervention Type DEVICE

Standard Spectacle Lenses

Interventions

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Spectacle Lenses

Standard Spectacle Lenses

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Previously a successfully completed participant in the CYPRESS Extension study;
* Agree to wear the assigned spectacles constantly except for sleeping, swimming, or other activities in which spectacle wear would be dangerous or otherwise not possible (minimum of 10 hours per day);
* Willingness to participate in the trial for up to 12 months without contact lens wear;
* The subject's parent(s) or legal guardian(s) must read, understand, and sign the Statement of Informed Consent and receive a fully executed copy of the form.

Exclusion Criteria

* Known allergy to proparacaine, tetracaine, or tropicamide.
Minimum Eligible Age

9 Years

Maximum Eligible Age

16 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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SightGlass Vision, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Golden Optometric Group

Whittier, California, United States

Site Status

Omega Vision Center PA

Longwood, Florida, United States

Site Status

Kannarr Eye Care

Pittsburg, Kansas, United States

Site Status

Advanced Eyecare PC

Raytown, Missouri, United States

Site Status

Sacco Eye Group

Vestal, New York, United States

Site Status

Total Eye Care

Memphis, Tennessee, United States

Site Status

Vision Optique

Houston, Texas, United States

Site Status

William J Bogus, OD, FAAO

Salt Lake City, Utah, United States

Site Status

Countries

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United States

Other Identifiers

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CPRO-2303-001

Identifier Type: -

Identifier Source: org_study_id

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