References
- TongueACRefractive errors in childrenPediatr Clin North Am198734614261437
- WilliamsCLumbRHarveyISparrowJScreening for refractive errors with the Topcon PR2000 Pediatric RefractometerInvest Ophthalmol Vis Sci20004151031103710752938
- NayakBKGhoseSSinghJPA comparison of cycloplegic and manifest refractions on the NR-1000F (an objective auto refractometer)Br J Ophthalmol198771173753814575
- GoodMGMazowMLPragerTCAccuracy of the Nidek ARK-900 objective refractor in comparison with retinoscopy in children ages 3 to 18 yearsAm J Ophthalmol199812611001089683155
- BermanMNelsonPCadenBObjective refraction: comparison of retinoscopy and automated techniquesAm J Optom Physiol Opt19846132042096720868