Beatriz Fiuza Gomes1,2, Angela Flores Paredes1, Nathália Madeira1, Haroldo Vieira Moraes2, Marcony R Santhiago1,2,3. 1. Department of Ophthalmology, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil. 2. Department of Ophthalmology, Hospital Federal de Bonsucesso, Rio de Janeiro, RJ, Brazil. 3. Department of Ophthalmology, Universidade de São Paulo, São Paulo, SP, Brazil.
Abstract
PURPOSE: : To study the technique of eye drop instillation in glaucoma patients and identify independent factors that may influence their performance. METHODS: : In this cross-sectional study, 71 consecutive patients with glaucoma or ocular hypertension, self-administering topical anti-glaucoma medications for ≥6 months were evaluated. All patients instilled a tear substitute into the eye with the worst eyesight using the technique normally used at home. The following parameters were evaluated: age, number of years receiving treatment with ocular hypotensive eye drops, time spent to instill the first drop, number of drops instilled, correct location of the eye drops, contact of the bottle with the eye, closing of the eyelids or occlusion of the tear punctum, and asepsis of the hands. RESULTS: : The mean age of the patients was 66 ± 10.8 years, and patients were on ocular hypotensive drugs for 11.3 ± 7.3 (range, 2-35) years. Only 28% of the patients were able to correctly instill the eye drops (squeeze out 1 drop and instill it into the conjunctival sac without bottle tip contact). Touching the tip of the bottle to the globe or periocular tissue occurred in 62% of the patients. In 49% of the patients, the eye drops fell on the eyelids or cheek. Two or more drops were squeezed by 27% of the patients. CONCLUSIONS: : The majority of glaucoma patients were unable to correctly instill eye drops. Age was an independent factor associated with eye drop instillation performance.
PURPOSE: : To study the technique of eye drop instillation in glaucoma patients and identify independent factors that may influence their performance. METHODS: : In this cross-sectional study, 71 consecutive patients with glaucoma or ocular hypertension, self-administering topical anti-glaucoma medications for ≥6 months were evaluated. All patients instilled a tear substitute into the eye with the worst eyesight using the technique normally used at home. The following parameters were evaluated: age, number of years receiving treatment with ocular hypotensive eye drops, time spent to instill the first drop, number of drops instilled, correct location of the eye drops, contact of the bottle with the eye, closing of the eyelids or occlusion of the tear punctum, and asepsis of the hands. RESULTS: : The mean age of the patients was 66 ± 10.8 years, and patients were on ocular hypotensive drugs for 11.3 ± 7.3 (range, 2-35) years. Only 28% of the patients were able to correctly instill the eye drops (squeeze out 1 drop and instill it into the conjunctival sac without bottle tip contact). Touching the tip of the bottle to the globe or periocular tissue occurred in 62% of the patients. In 49% of the patients, the eye drops fell on the eyelids or cheek. Two or more drops were squeezed by 27% of the patients. CONCLUSIONS: : The majority of glaucoma patients were unable to correctly instill eye drops. Age was an independent factor associated with eye drop instillation performance.
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