Official Title
Pain Expression in the Perioperative Period of Cataract Surgery
Phase
N/ALead Sponsor
Evidence Based Cataract Study GroupStudy Type
InterventionalStatus
Unknown statusIntervention/Treatment
urea ...Study Participants
150Patients 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.
Phacoemulsification cataract extraction surgery
Phacoemulsification cataract extraction surgery
Use steroids eye drops to decrease the pain.
Phacoemulsification cataract extraction surgery of first eye
Phacoemulsification cataract extraction surgery of second eye
Dexamethasone eye drop, 1 drop, qid, for 3 days before surgery
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