Inclusion Criteria:  Male or Female Ages ≥6 y.o. and <18 y.o. Binocular vision Parent(s) or Guardian(s) willing and able to give informed consent on behalf of the subject. Subject able to follow all study procedures and requirements  Exclusion Criteria:  Spherical correction > +8 or < -10 Using anticholinergic medications (including first-generation antihistamines) or other medications known to affect visual acuity within the greater of 3 days or 5 half-lives prior to enrolling in this study. Using an investigational drug or approved therapy for investigational use within the greater of 3 days or 5 half-lives prior to enrolling in this study. Has initiated any new medication in the past 2 weeks that, in the best medical judgment of the investigator, would impact their participation in the study or ability to use the EyeQue EQ103 device, Any self/caregiver-reported mental illness or condition of the subject, including but not limited to claustrophobia, fear of simulators, nyctophobia. Any self/caregiver-reported neurological diseases of the subject, including but not limited to: epilepsy, nystagmus. Any self/caregiver-reported glaucoma diagnosis of the subject.  Eye disease, including but not limited to:  Cataracts Macular degeneration Eye infection (by self-report or observation) Keratoconus Diabetic neuropathy/retinopathy Cytomegalovirus retinitis Color blindness (any color deficiency) Diabetic macular edema Amblyopia Chronic or acute uveitis Strabismus Astigmatism > 3 diopters Macular hole Lack physical dexterity to properly operate the EyeQue device. Lack the ability to follow instruction. Lack binocular vision. Are colorblind. Had eye surgery within the last 12 months.