Childs and Teen

- Neonate

- Age 6 months

- Age 3 to 4 years

- Age 5 to 6 years

- Age 6 to 18 years - Every two years

Adults

- Age 18 to 30 years - Vision checked once

- Age 30 to 40 years - Vision checked twice

- Age 40 to 65 years - Vision checked every two years

- Age > 65 years - Vision checked every twelve months