If a patient has keratoconus, can they go blind? Creado por: Equipo médico Bogotá Laser 18 octubre, 2023 No. This condition does not cause blindness, but it can worsen vision over time. However, an advanced keratoconus patient may experience a significant impact on their visual quality and may require a corneal transplant. Comparte Can both eyes be operated on for cataracts? Can both eyes have keratoconus?