Health Condition 1: H251- Age-related nuclear cataract
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Ability to give informed consent Planned clear cornea cataract extraction and placement of foldable posterior chamber intraocular lens No secondary procedure planned (i.e. trabeculectomy, keratectomy, corneal transplant, vitreo-retinal procedure etc.) No history of previous intraocular surgery in the eye of interest.
Exclusion criteria
Exclusion criteria: Previous or concurrent use of alpha-antagonist medication Progressive corneal pathology affecting pupil magnification or measurement Uncontrolled hypertension Allergy to the drug used Complicated cataract Pseudoexfoliation and exfoliation syndromes History of ocular trauma or inflammation in the previous 3 months
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pupil size in front of the slit lamp and by surgical callipers 3 times during the procedureTimepoint: Baseline on Pre-operative evaluation day, On the operating table after betadine wash, Before initiating capsulorhexis, At the end of the surgery | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Blood pressure 2. Pulse rate Timepoint: Both will be measured thrice Peri-operatively by digital BP machine in supine position on the left upper arm of the patient at the level of the heart. Baseline on Pre-operative evaluation day, 10mins before the surgery, Immediate post-operative period, On post-operative Day 1 | — |
Countries
India
Contacts
Lala Lajpat Rai Memorial Medical College Meerut