There is no single exam schedule that fits everyone. Recommended timing can depend on age, general health, family history, medications, vision changes, and the presence of eye conditions. People who wear contact lenses need appropriate follow-up to review lens fit and eye health, as well as a current prescription. A routine check can identify concerns even when vision seems unchanged, since some eye problems may not cause obvious early symptoms.
Follow the interval advised by your eye care professional and check how long your prescription is valid for where you live. Children, people with diabetes, those with a family history of eye disease, and anyone with existing eye conditions may need a schedule tailored to their circumstances. If you are unsure when your last exam was or whether a review is due, contact an eye care practice for guidance rather than waiting for a problem to become severe.
Do not wait for a routine appointment if you experience sudden vision loss, a painful red eye, new flashes or many floaters, a curtain-like shadow, significant light sensitivity, or an eye injury. These symptoms can need urgent assessment. For ordinary changes such as gradual blur, difficulty with close work, or frequent headaches, arrange an appointment and describe when the issue occurs. Bring your current glasses, contact lens details, medications, and any questions to help make the visit useful.