high myopia
Conditions
Interventions
longer axial length group:phacoemulsification
Normal axial length group:phacoemulsification
Sponsors
Tianjin Eye Hospital
Eligibility
Sex/Gender
All
Age
60 Years to 80 Years
Inclusion criteria
Inclusion criteria: the axial length of 22–24 mm and greater than 26 mm; and lens nucleus was gradedin accordance with the Emery and Little standards (II–III levels)
Exclusion criteria
Exclusion criteria: patients had other special eye disease history, such as keratoconus, suspected keratoconus, corneal scar, glaucoma, and active eye diseases; had eye trauma and operation history; had systemic diseases that affected the eyes; and had unstructured corneal surface, poor transmittance, and difficulties in autofocusing.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Corneal biomechanical parameters include following parameters;First applanation length, Second applanation length, First applanation velocity, Second applanation velocity, Peak distance, Radius, Deformation amplitude, Central corneal thickness, First applanation time, Second applanation time, Highest concavity time, Intraocular pressure, Corrected intraocular pressure; | — |
Countries
China
Contacts
Public ContactHui Song
Tianjin Eye Hospital
Outcome results
None listed