Myopia case report — verification: third-party exam reported
Starting refraction (as stated): -4 (in 2013)
Latest refraction (as stated): -2 (official eye exam this year)
Starting myopia (diopters, worse-eye sphere): 4.0
Latest myopia (diopters): 2.0
Recorded reduction (diopters): 2.0
Time window (months): 36
Timeline basis: stated in post
Annualized rate (D/yr, 12+ month window): 0.67
Reporter's relationship to program: unknown
Source post dates: 2016-08-13 to 2016-08-13