Study links fast vision loss with depression

Glaucoma patients tracked for progression of sight loss and signs of depression

29 Feb 2016 by Olivia Wannan

The speed at which a patient loses their sight is significantly linked to their chance of developing depression, a new study reports.

The research, led by Dr Alberto Diniz-Filho, a scientist at the University of California, San Diego, tracked 102 patients with glaucomatous field defects for several years.

The progression of participants’ glaucoma was monitored by visual field tests and their symptoms of depression through Geriatric Depression Scale (GDS) questionnaires in the research, published this week in journal Ophthalmology.

The short-form GDS assigns a person a score of zero to 15. A score of zero to four is considered to be normal, whereas a score of five to nine indicates mild depression and 10–15 severe depression.

For the 102 participants, each decibel of difference in binocular standard automated perimetry over the course of a year equated to a three-point change in the person’s GDS score, after adjusting for factors like age, income and baseline disease severity.

Royal National Institute of Blind People (RNIB) emotional support services senior manager, Amanda Hawkins told OT it was critically important to understand when people dealing with sight loss need help and assistance.

She added: “Every individual's experience of sight loss is different, but RNIB believes that with the right support, people who have lost their sight can live independent and fulfilling lives.

“That's why it’s so important that people in this situation are offered the emotional and practical support they need, initially through sight loss advisers in eye departments, leading on to more specialist counselling services such as the one at RNIB if needed. People shouldn’t be left alone when they are most vulnerable,” she emphasised.

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