keratoconus
Conditions
Interventions
Intervention group:Glasses perceptual learning training
Control group:Glasses placebo training
Sponsors
Zhongshan Ophthalmic Center, Sun Yat-Sen University
Eligibility
Sex/Gender
All
Age
9 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Aged 9 years or older; 2. Has been diagnosed as Keratoconus, BAD-D >= 2.6; 3. Change of Kmax < 1.0d and change of BAD-D < 0.4175 betweem the last two Pentacam result; 4. The best corrected visual acuity of both eyes was between 0.1 and 1.0; 5. Has voluntarily agreed to participate in the study by signing the statement of informed consent.
Exclusion criteria
Exclusion criteria: 1. Has history of acute keratoconus; 2. Has other eye diseases or other diseases/conditions causing vision loss; 3. Has eye surgery history; 4. Currently using local/systemic medications or other interventions that may affect visual function; 5. Receiving other treatments that may affect the results of this study, such as contact lenses during the study; 6. Has any known neurological diseases; 7. Participating in other studies currently that may affect the results of this study; 8. Study other reasons that the physician considers inappropriate for inclusion in the program.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Distant best corrected visual acuity; | — |
Secondary
| Measure | Time frame |
|---|---|
| Distant uncorrected visual acuity; | — |
Countries
China
Contacts
Public ContactYang Xiao
Zhongshan Ophthalmic Center, Sun Yat-Sen University
Outcome results
None listed