Depressed visual field and mood are associated with sleep disorder in glaucoma patients

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Abstract

The aim of the present study was to evaluate sleep and mood disorders and related ocular parameters in glaucoma patients. We focused on visual fields and the retinal nerve fibre layer, because decreased circadian photoreception by damaged intrinsically photosensitive retinal ganglion cells is suspected in glaucoma. A cross-sectional study was performed on 140 subjects: 69 with glaucoma and 71 normal controls. Individuals with cataract, dry eye, or retinal pathology were excluded from the study. Participants completed the Pittsburgh Sleep Quality Index (PSQI) and Hospital Anxiety and Depression Scale (HADS) and underwent comprehensive ophthalmological examinations for glaucoma. Patients with advanced glaucoma had significantly worse PSQI scores than normal controls ( P < 0.05). Stepwise multivariate linear regression analysis revealed PSQI was significantly correlated with the mean deviation in the worse eye, the number and frequency of medications, and anxiety and depression subscores of the HADS after adjustment for age and sex ( P < 0.05). We did not find a significant correlation between PSQI scores and the thickness of retinal nerve fibre layer. In conclusion, the subjective sleep quality of glaucoma patients was correlated with visual field loss and mood status.

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Preservatives in eyedrops: the good, the bad and the ugly.

Christophe Baudouin, Antoine Labbe, Hong Liang … (2010)

There is a large body of evidence from experimental and clinical studies showing that the long-term use of topical drugs may induce ocular surface changes, causing ocular discomfort, tear film instability, conjunctival inflammation, subconjunctival fibrosis, epithelial apoptosis, corneal surface impairment, and the potential risk of failure for further glaucoma surgery. Subclinical inflammation has also been described in patients receiving antiglaucoma treatments for long periods of time. However, the mechanisms involved, i.e., allergic, toxic, or inflammatory, as well as the respective roles of the active compound and the preservative in inducing the toxic and/or proinflammatory effects of ophthalmic solutions, is still being debated. The most frequently used preservative, benzalkonium chloride (BAK), has consistently demonstrated its toxic effects in laboratory, experimental, and clinical studies. As a quaternary ammonium, this compound has been shown to cause tear film instability, loss of goblet cells, conjunctival squamous metaplasia and apoptosis, disruption of the corneal epithelium barrier, and damage to deeper ocular tissues. The mechanisms causing these effects have not been fully elucidated, although the involvement of immunoinflammatory reactions with the release of proinflammatory cytokines, apoptosis, oxidative stress, as well as direct interactions with the lipid components of the tear film and cell membranes have been well established. Preservative-induced adverse effects are therefore far from being restricted to only allergic reactions, and side effects are often very difficult to identify because they mostly occur in a delayed or poorly specific manner. Care should therefore be taken to avoid the long-term use of preservatives, otherwise a less toxic alternative to BAK should be developed, as this weakly allergenic but highly toxic compound exerts dose- and time-dependent effects. On the basis of all these experimental and clinical reports, it would be advisable to use benzalkonium-free solutions whenever possible, especially in patients with the greatest exposure to high doses or prolonged treatments, in those suffering from preexisting or concomitant ocular surface diseases, and those experiencing side effects related to the ocular surface. Indeed, mild symptoms should not be underestimated, neglected, or denied, because they may very well be the apparent manifestations of more severe, potentially threatening subclinical reactions that may later cause major concerns. Copyright (c) 2010 Elsevier Ltd. All rights reserved.

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Melanopsin is required for non-image-forming photic responses in blind mice.

Satchidananda Panda, Ignacio Provencio, Daniel C Tu … (2003)

Although mice lacking rod and cone photoreceptors are blind, they retain many eye-mediated responses to light, possibly through photosensitive retinal ganglion cells. These cells express melanopsin, a photopigment that confers this photosensitivity. Mice lacking melanopsin still retain nonvisual photoreception, suggesting that rods and cones could operate in this capacity. We observed that mice with both outer-retinal degeneration and a deficiency in melanopsin exhibited complete loss of photoentrainment of the circadian oscillator, pupillary light responses, photic suppression of arylalkylamine-N-acetyltransferase transcript, and acute suppression of locomotor activity by light. This indicates the importance of both nonvisual and classical visual photoreceptor systems for nonvisual photic responses in mammals.

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Prevalence of ocular surface disease in glaucoma patients.

Eamon Leung, Felipe Medeiros, Robert N. Weinreb (2008)

To examine the prevalence of ocular surface disease (OSD) in glaucoma patients. This was a cross-sectional study. One hundred and one patients, 18 years of age or older, with open-angle glaucoma or ocular hypertension were consecutively recruited for the study. Patients with a history of use of cyclosporine, steroids, topical ocular nonsteroidal anti-inflammatory drugs, or punctal plugs within the last 3 months were excluded. Each patient completed an Ocular Surface Disease Index questionnaire and underwent evaluation by Schirmer test, corneal and conjunctival lissamine green staining, and tear break-up time. Using Ocular Surface Disease Index for measuring symptoms of dry eye, 60 (59%) patients reported symptoms in at least 1 eye. Severe symptoms were reported by 27 (27%) patients. Schirmer testing showed 62 (61%) patients with decrease in tear production in at least 1 eye. Severe tear deficiency was presented in 35 (35%) patients. Corneal and conjunctival lissamine green staining showed positive results in 22 (22%) patients. None had severe staining. Tear break-up time showed abnormal tear quality in 79 (78%) patients and severe decrease in tear quality was found in at least 1 eye in 66 (65%) patients. Multivariate logistic regression models were used to investigate the association between the number of benzalkonium chloride (BAK)-containing eyedrops and results on the clinical tests of OSD. After adjustment for age and sex, each additional BAK-containing eyedrop was associated with an approximately 2 times higher odds of showing abnormal results on the lissamine green staining test (odds ratio=2.03; 95% confidence interval: 1.06 to 3.89; P=0.034). A large proportion of patients with open-angle glaucoma or ocular hypertension had signs and/or symptoms of OSD in at least 1 eye. The coexistence of OSD and the use of BAK-containing medications may impact vision-related quality of life in this patient population.

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Journal ID (nlm-ta): Sci Rep

Journal ID (iso-abbrev): Sci Rep

Title: Scientific Reports

Publisher: Nature Publishing Group

ISSN (Electronic): 2045-2322

Publication date (Electronic): 11 May 2016

Publication date Collection: 2016

Volume: 6

Electronic Location Identifier: 25699

Affiliations

[1 ]Department of Ophthalmology, Keio University School of Medicine , Tokyo, Japan

[2 ]Shinseikai Toyama Hospital Eye center , Imizu, Japan

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[a ] mayaki@ 123456olive.ocn.ne.jp

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Publisher Item ID: srep25699

DOI: 10.1038/srep25699

PMC ID: 4863426

PubMed ID: 27168309

SO-VID: fec7b3c6-e8e6-44d3-8141-dd82c43a591c

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Depressed visual field and mood are associated with sleep disorder in glaucoma patients

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Good practices in (cog-neuro) science and science communication

Most cited references 29

Preservatives in eyedrops: the good, the bad and the ugly.

Melanopsin is required for non-image-forming photic responses in blind mice.

Prevalence of ocular surface disease in glaucoma patients.

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