keratoconus
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria for at least one of the following conditions in the past year: (1) the maximum curvature value of corneal topography increased by 1D and above; (2) an increase of 1D and above in astigmatism, or an increase of 0.5D or above in equivalent spherical lens.
Exclusion criteria
Exclusion criteria: The history of acute or chronic eye disease history, the postoperative status of corneal transplantation, the cornea thickness is less than 350 mm, or there are serious postoperative complications during the follow-up observation, or the pregnancy and lactation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| vision;intraocular pressure;Corneal visualization Scheimpflug technology;corneal curvature;Corneal layer cell morphology;Slit-lamp microscopy; | — |
Secondary
| Measure | Time frame |
|---|---|
| tear;AS-OCT; | — |
Countries
China
Contacts
Hainan Eye Hospital, Zhongshan Ophthalmic Center