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| 1 | Conditions listed in this trial | ||||
| Refractive Error | |||||
| Cataract | |||||
| 2 | Additional conditions recognized in this trial | ||||
| Refractive Errors | |||||
| 3 | More general conditions related to this trial | ||||
| Eye Diseases | |||||
| Lens Diseases | |||||
| 4 | Interventions listed in this trial | ||||
| spectacles | |||||
| Cataract Surgery | |||||
| 5 | Sponsors listed in this trial | ||||
| University of Alabama at Birmingham | |||||
| Retirement Research Foundation | |||||
| National Institute on Aging (NIA) | |||||
| National Eye Institute (NEI) | |||||
| Research to Prevent Blindness | |||||
| EyeSight Foundation of Alabama | |||||
| Pearle Vision Foundation | |||||