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Ability of Patients With Low Vision to Properly Instill Eye Drops

This study has been completed.
Sponsor:
Information provided by:
Mid-Atlantic Glaucoma Experts
ClinicalTrials.gov Identifier:
NCT00760240
First received: September 25, 2008
Last updated: April 23, 2010
Last verified: April 2010

September 25, 2008
April 23, 2010
September 2008
September 2009   (final data collection date for primary outcome measure)
Successful instillation of a single eyedrop onto the surface of the eye [ Time Frame: 2 minutes ] [ Designated as safety issue: No ]
Same as current
Complete list of historical versions of study NCT00760240 on ClinicalTrials.gov Archive Site
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Ability of Patients With Low Vision to Properly Instill Eye Drops
Objective Evaluation of the Ability of Patients With Decreased Vision or Restricted Visual Fields to Properly Instill Eye Drops

The investigators are interested in seeing how people with low vision (decreased visual acuity or restricted visual fields) instill eye drops into their own eyes. The investigators hypothesis is that this population will have more difficulty with self-instillation of drops than a better-seeing population. The investigators aim to explore whatever factors may be involved in preventing this population from getting prescribed eyedrops into their eyes, whether it is more related to visual field or visual acuity.

This is a study that involves a questionnaire that a study participant fills out, detailing their experience with eyedrops (if any), followed by a video recording of them instilling artificial tears into their worse-seeing eye, with their dominant hand. Patients must have visual acuity worse than 20/60 in at least one eye, and/or have a recent visual field that demonstrated Hodapp criteria for Moderate or Severe visual field damage. This is an observational study of how patients with low vision due to either glaucoma or retinal disease instill eyedrops. Each video will be "graded" by the principal investigator for "success" at instilling eyedrops, and patients will be stratified by their visual acuity or visual field, and whether they have a primary diagnosis of glaucoma or retinal disease.

Observational
Time Perspective: Cross-Sectional
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Non-Probability Sample

Patients reporting for appointments at outpatients referral practices shared by 2 glaucoma and 3 retina specialists

  • Glaucoma
  • Retinal Pathology
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  • Glaucoma patients
    This is a group of patients with restricted visual fields or ETDRS visual acuity of 20/60 or worse
  • Retina patients
    A group of patients with retinal pathology(ARMD, CME, diabetic retinopathy) contributing to their decreased vision.
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*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Completed
200
September 2009
September 2009   (final data collection date for primary outcome measure)

Inclusion Criteria:

  • ETDRS visual acuity 20/60 or worse

Exclusion Criteria:

  • Unwilling to participate
  • Light perception vision
  • No light perception vision
Both
18 Years and older
Yes
Contact information is only displayed when the study is recruiting subjects
United States
 
NCT00760240
SI-08-64
No
Amy L Hennessy, Mid-Atlantic Glaucoma Experts
Mid-Atlantic Glaucoma Experts
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Mid-Atlantic Glaucoma Experts
April 2010

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP