Assessment of the effects of retrobulbar versus topical anesthesia on optic nerve head microvasculature in patients undergoing phacoemulsification cataract surgery. Eye Diseases
Conditions
Interventions
Eligible participants are randomly allocated in a 1:1 ratio to receive either topical anesthesia (active comparator) or retrobulbar anesthesia (experimental intervention) before routine phacoemulsific
Sponsors
Saglik Bilimleri Üniversitesi
Eligibility
Sex/Gender
All
Age
50 Years to 90 Years
Inclusion criteria
Inclusion criteria: 1. Adults aged 50 years or older with age-related cataract scheduled for phacoemulsification surgery 2. Presence of visually significant cataract requiring elective cataract surgery 3. Ability to undergo optical coherence tomography angiography (OCTA) with adequate image quality 4. Ability to provide written informed consent
Exclusion criteria
Exclusion criteria: 1. Previous intraocular surgery or ocular trauma 2. Corneal disorders affecting OCTA image quality, including corneal ectatic diseases or significant media opacity 3. Retinal vascular disease, age-related macular degeneration, high or degenerative myopia, or any other retinal pathology that could affect OCTA measurements 4. Glaucomatous or non-glaucomatous optic neuropathy 5. Systemic vascular diseases that could influence ocular microvascular measurements 6. Inability to obtain high-quality OCTA images or to complete the scheduled follow-up examinations
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Radial peripapillary capillary (RPC) plexus vessel density measured using optical coherence tomography angiography (OCTA) using the RTVue XR Avanti system (Optovue Inc., Fremont, CA, USA). Vessel density (%) is automatically quantified using the AngioAnalytics™ software at 1 week before surgery, postoperative week 1, and postoperative month 1 | — |
Countries
Türkiye
Contacts
Public ContactAlper Can Yilmaz
Outcome results
None listed