A video study of drop instillation in both glaucoma and retina patients with visual impairment

Amy L. Hennessy, Joanne Katz, David Covert, Colleen A. Kelly, Eric P. Suan, Matthew A. Speicher, Newman J. Sund, Alan L. Robin

Research output: Contribution to journalArticle


Purpose: To compare self-administration of drops in both visually impaired glaucoma subjects and retina subjects. Design: Prospective, observational study. Methods: Setting: Distinct glaucoma and retina practices. Study Population: Subjects with glaucoma or retinal diseases with visual acuity of 20/60 or worse in 1 eye, significant field loss, or both. Observation Procedures: Subjects were video recorded self-instilling a drop onto the worse eye. Main Outcome Measure: Proper instillation of eye drop onto ocular surface. Results: We included 409 subjects (205 glaucoma, 204 retina). Differences between the groups included the following: glaucoma subjects included fewer females (P =.05), included fewer white persons (P

Original languageEnglish (US)
Pages (from-to)982-988
Number of pages7
JournalAmerican Journal of Ophthalmology
Issue number6
Publication statusPublished - Dec 2011


ASJC Scopus subject areas

  • Ophthalmology

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