Table 1 Summary of dropout cases.

From: Association between long-term orthokeratology responses and corneal biomechanics

Main reason of dropout Number of cases
Non-responsive 2
Significant residual refractive error 12 (residual sphere was −1.90D ± 0.76D in 24 eyes)
Poor lens centration 2
Significant corneal staining 3
Lens discomfort 1
Personal reason 2