Clinical and Epidemiologic Research

Seasonal Variations in the Progression of Myopia in Children Enrolled in the Correction of Myopia Evaluation Trial Jane Gwiazda,1 Li Deng,1 Ruth Manny,2 and Thomas T. Norton3; for the COMET Study Group 1New

England College of Optometry, Boston, Massachusetts University of Houston College of Optometry, Houston, Texas 3 University of Alabama School of Optometry, Birmingham, Alabama 2

Correspondence: Jane Gwiazda, New England College of Optometry, 424 Beacon Street, Boston, MA 02115; [email protected]. See the appendix for the members of the COMET Study Group. Submitted: August 10, 2013 Accepted: December 18, 2013 Citation: Gwiazda J, Deng L, Manny R, Norton TM; for the COMET Study Group. Seasonal variations in the progression of myopia in children enrolled in the Correction of Myopia Evaluation Trial. Invest Ophthalmol Vis Sci. 2014;55:752–758. DOI: 10.1167/iovs.13-13029

PURPOSE. To investigate monthly and seasonal variations in the progression of myopia in children enrolled in the Correction of Myopia Evaluation Trial (COMET). METHODS. An ethnically diverse cohort of 469 myopic 6- to