Official Title

Pain Expression in the Perioperative Period of Cataract Surgery
  • Phase

    N/A
  • Study Type

    Interventional
  • Status

    Unknown status
  • Intervention/Treatment

    urea ...
  • Study Participants

    150
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.
Study Started
Jan 31
2013
Primary Completion
May 31
2013
Anticipated
Last Update
Apr 05
2013
Estimate

Procedure First eye (FE)

Phacoemulsification cataract extraction surgery

Procedure Second eye (SE)

Phacoemulsification cataract extraction surgery

Drug Steroids eye drops

Use steroids eye drops to decrease the pain.

First eye (FE) Active Comparator

Phacoemulsification cataract extraction surgery of first eye

Second eye (SE) Active Comparator

Phacoemulsification cataract extraction surgery of second eye

Steroids eye drops Experimental

Dexamethasone eye drop, 1 drop, qid, for 3 days before surgery

Criteria

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
No Results Posted