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Table 1 Schedule of assessments and examination items

From: Evaluating the myopia progression control efficacy of defocus incorporated multiple segments (DIMS) lenses and Apollo progressive addition spectacle lenses (PALs) in 6- to 12-year-old children: study protocol for a prospective, multicenter, randomized controlled trial

Procedures/measurementsEnrollment (− 2 to 0 week)Baseline1 Week (± 1 day)1 Month (± 3 days)3 Months (± 7 days)6 Months (± 14 days)12 Months (± 21 days)18 Months (± 28 days)24 Months (± 35 days)30 Months (± 42 days)36 Months (± 60 days)
Consent form signed x         
Basic informationDemographicsx          
Historyxxxxxxxxxxx
RefractionNoncycloplegic autorefractionxx   xxxxxx
Subjective refractionxx   xxxxxx
Cycloplegic subjective refractiona x   xxxxxx
Cycloplegic autorefractiona x   xxxxxx
Peripheral refractiona x   xxxxxx
Visual acuityHabitual spectacle visual acuityxx   xxxxxx
Best corrected visual acuityxx   xxxxxx
Ocular alignmentCover test (distance, near)x          
Phoria (distance, near) x   xxxxxx
AccommodationLag x   xxxxxx
Amplitude x   xxxxxx
Eye examinationsSlit-lamp examination, external ocular health checkxx   xxxxxx
IOP measurementxx   xxxxxx
Pupil size x   xxxxxx
Keratometry x   xxxxxx
Contrast sensitivity           
Stereopsis x   xxxxxx
Axial length (mm)a (IOLMaster [Zeiss, Oberkochen, Germany], measure between 9:00 and 11:00 a.m.) x   xxxxxx
Choroidal thickness measurement x   xxxxxx
Fundus examinationa x   xxxxxx
QuestionnaireVisual habits x        x
Spectacle lens performance x        x
  1. IOP intraocular pressure
  2. aWith cycloplegia