The natural history of corneal topographic progression of keratoconus after age 30 years in non-contact lens wearers.
Akilesh GokulDipika V PatelGrant A WattersCharles N J McGheePublished in: The British journal of ophthalmology (2016)
This study confirms that keratoconus may continue to progress beyond age 30. Older subjects with keratoconus should be monitored for progression, particularly with respect to possible corneal collagen cross-linking or astigmatic correction in cataract surgery.