Ocular Hypertension Treatment Study (OHTS)

Ocular Hypertension Treatment Study

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT00803998

Enrollment

Unknown

Registered

2008-12-08

Start date

1994-02-28

Completion date

2006-12-31

Last updated

2013-11-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Glaucoma, Ocular Hypertension

Brief summary

The Ocular Hypertension Treatment Study is a multi-center clinical trial sponsored by the National Eye Institute, designed to determine the efficacy and safety of topically administered eye lowering medication

Interventions

None listed

Eligibility

Sex/Gender

ALL

Age

40 Years to 80 Years

Healthy volunteers

Yes

Inclusion criteria

* Qualifying IOP in at least one eye of each participant must be more than or equal 24 mmHg but less than or equal to 32 mm HG calculated from two separate consecutive determination taken at least 2 hours, but not greater than 12 weeks apart. * Normal and reliable 30-2 Humphrey Visual Fields in both eyes. * Normal Optic disc in both eyes on clinical examinations and stereoscopic photographs as determined by the Optic Disc Reading Center.

Exclusion criteria

* Visual acuity worse than 20/40 in either eye on qualifying exam. * Previous intraocular surgery: laser trabeculoplasty, laser iridotomy, filtering surgery, combined cataract extraction/filtering procedures, penetrating keratoplasty and retinal detachment repair.

Outcome results