Comparison of Scheimpflug Photos of the Crystalline Lens in Patients Who Have Undergone Vitrectomy Surgery and Controls

Progression of nuclear sclerotic cataract after pars plana vitrectomy has been recognized for many years The mechanism for the rapid progression of nuclear sclerotic cataract remains unclear. The objective of this trial is to evaluate and compare the level and progression of cataract advancement in controls versus eyes that have undergone 20-gauge pars plana vitrectomy and 25-gauge pars plana vitrectomy.

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Key information

Conditions

Nuclear Sclerotic Cataract Cataract Eye Diseases Lens Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Barnes Retina Institute

St Louis, Missouri, 63110, United States

About this study

Approximately 105 patients will be recruited to obtain 35 control eyes that have not had pars plana vitrectomy and 35 eyes who will have undergone 20-gauge pars plana vitrectomy and 35 eyes will have undergone 25-gauge pars plana vitrectomy. Scheimpflug crystalline lens photographs will be taken for evaluation of level and progression of cataract development.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

phakic eyes of patients that are scheduled to undergo pars plana vitrectomy,
controls will be phakic eyes of patients that have not undergone andy kind of intraocular surgery,
age 18 and older

Exclusion criteria

any eye that is pseudophakic,
has had previous vitreoretinal surgery,
has had previous intravitreal injection,
previous intraocular inflammatory condition such as uveitis,
previous irradiation,
any patient with a history of ocular malignancy,
history of infectious intraocular condition

Treatment and study plan

Scheimpflug crystalline lens photographs

Procedure

scheimpflug photographs

Sponsors and collaborators

Lead sponsor

Barnes Retina Institute

Other

Registry information

Official study title

Comparison of Scheimpflug Photos of the Crystalline Lens in Patients Who Have Undergone Vitrectony Surgery and Controls

Important dates

Study start: 2006
Primary completion: 2010
Study completion: 2010
First posted: Dec 4, 2006
Registry last updated: Jul 27, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed