Cataract, Eye Pain, Surgery
Conditions
Brief summary
Patients having cataract extraction in the second eye under topical anesthesia with monitored anesthesia care often report increased pain and awareness relative to the first surgery in the fellow eye, despite similar operative and anesthetic conditions. The purpose of this study is to investigate the pathogenesis of this phenomenon.
Interventions
PROCEDUREFirst eye (FE)
Phacoemulsification cataract extraction surgery
PROCEDURESecond eye (SE)
Phacoemulsification cataract extraction surgery
DRUGSteroids eye drops
Use steroids eye drops to decrease the pain.
Sponsors
Evidence Based Cataract Study Group
Study design
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SUPPORTIVE_CARE
Masking
SINGLE (Subject)
Eligibility
Sex/Gender
ALL
Age
50 Years to 85 Years
Healthy volunteers
No
Inclusion criteria
* Age-related cataract patients aged 50 years or older able to give informed consent undergoing cataract surgery; * Pupil dilation ≧7 mm after mydrisis; * VA prognosis ≧6/12
Exclusion criteria
* Unable to give informed consent; * Patients with history of ocular pathology or diabetic retinopathy; * Patients with traumatic, subluxated and posterior polar cataract; * Patients had other ocular surgery (not cataract surgery) in the past 6 months; * Patients with significant intra-operative complications
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Post operative pain level | 3 days | Post operative pain level recorded on a VAS (0-10) at rest for the first three days after cataract surgery. |
Countries
China
Contacts
Primary ContactPeng ZHOU, M.D.
Outcome results
None listed