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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Optom Vis Sci. 2019 May;96(5):335–344. doi: 10.1097/OPX.0000000000001378

Table 1.

Schedule of measurements for the BAM Study.

Baseline 1 week 3 weeks Semi-annual Annual
Manifest refraction (OU) X X
Spherical over-refraction (OU) X X X X
High contrast VA (OU) OD/OS at baseline X (M) X (CL) X (CL) X (CL)
Low contrast visual acuity (OU) X (M) X (CL) X (CL) X (CL)
Near visual acuity (OU) X (M) X (CL) X (CL) X (CL)
Modified Thorington X (M) X (CL) X (CL)
Accommodative lag and peripheral defocus with CL, near (OD) X X
Contact lens centration, movement (OU) X X X X X
Choroidal thickness (OD) X X X
Slit lamp examination (OU, no contact lens) X X X X X
Pupil size (OD) X X X X
Non-cycloplegic autorefraction (OU) X X X
Accommodative Lag with Manifest (OD) X
Cycloplegic autorefraction (1° outcome, OU)* X X
Peripheral refractive error without CL (OD)* X X
Axial length (OU)* X X
Peripheral eye length (OD)* X X
Videophakometry (OD)* X X
Peripheral defocus with CL (OD)* X X
Intraocular pressure (OU)* X X X
Dilated fundus examination (OU)* X X

The 1-week visit occurs within ± 3 days of one week; the 3-week visit occurs within 1 week of the three-week date; all subsequent visits occur at six-month intervals ± 30 days.

*

cycloplegic measures; X (M) = wearing manifest refraction in trial frame; X (CL) = wearing habitual contact lens; OD = right eye; OS = left eye; OU = both eyes.