INTRAOCULAR PRESSURE MEASUREMENT AT the END of PARS PLANA VITRECTOMY

Sunnybrook Health Sciences Centre

Status: Not yet enrolling

Conditions: Pars Plana Vitrectomy

Treatments: Diagnostic Test: Cotton-tipped applicator (CTA); Diagnostic Test: Digital palpation

Study type: Interventional

Funder types: Other

Identifiers

NCT06707168

6310

Details and patient eligibility

About

Intraocular pressure is measured regularly at any and all visits with your eye doctor or optometrist.

The purpose of this study is to compare measurements of eye pressure at the end of the surgery, comparing the ability of a gloved finger or sterile cotton-tipped applicator ("Q-tip") to accurately measure intraocular pressure against a standardized instrument designed for this purpose.

Enrollment: 30 estimated patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. All patients undergoing Pars Plana Vitrectomy between June 25, 2024 - and December 30, 2024, will be included.
2. Patients aged 18 years or older
3. Patients able to give informed consent

Exclusion criteria

1. Patients with complicated Pars Plana Vitrectomy (choroidal hemorrhage, retrobulbar hemorrhage)
2. Patients with irregular cornea surface will be excluded (keratoconus, band keratopathy, corneal edema, corneal transplant, cornea scarring)
3. Patients undergoing combined scleral buckling at time of surgery
4. Patients with previous glaucoma filtration surgery (ie. trabeculectomy or tube shunt surgery)

Trial design

Primary purpose: Diagnostic

Allocation: Randomized

Interventional model: Single Group Assignment

Masking: None (Open label)

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30 participants in 2 patient groups

Surgeon #1

Other group

Description:

One by digital palpation over the limbal area; and the other using a short wooden cotton-tipped applicator (CTA) over the limbal area.

Treatment:

Diagnostic Test: Digital palpation

Diagnostic Test: Cotton-tipped applicator (CTA)

Surgeon #2

Other group

Description:

One by digital palpation over the limbal area; and the other using a short wooden cotton-tipped applicator (CTA) over the limbal area.

Treatment:

Diagnostic Test: Digital palpation

Diagnostic Test: Cotton-tipped applicator (CTA)