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Subjects
- Refractive Errors -- diagnosis[remove]16
- Child3
- Diagnostic Techniques, Ophthalmological3
- Atropine2
- African Americans1
- California1
- Cocaine -- pharmacokinetics1
- Corneal Topography -- instrumentation1
- Diagnostic Techniques, Ophthalmological -- instrumentation1
- Eyeglasses1
- Mydriatics1
- Neurologic Manifestations1
- Ophthalmoscopy1
- Pupil -- drug effects1
- Refractive Errors -- epidemiology1
- Refractive Errors -- therapy1
- Schools1
- Students1
- Tropanes -- pharmacokinetics1
- Vision Disorders -- diagnosis1