Elder with Alzheimer and Dementia disease loss their mild memory and family concept.

Dementia Risk Doubles If People Have Both Vision and Hearing Loss

People who have hearing and vision loss have been found to have a higher risk of dementia. Often a normal part of getting older, vision and hearing loss have been the focus of research, as many of these patients have developed cognitive decline years later.

Research published in Neurology shows how having both vision and hearing loss together creates dementia risk. The study looked at 6,520 people between the ages of 58 and 101. Each participant was required to answer a questionnaire about the use of glasses or hearing aids. They were asked to rate their hearing as “normal,” “reduced, but able to communicate without a hearing aid,” “difficult communicating with a hearing aid,” or “no hearing at all.”

Their sight was to be rated at “normal,” “reduced, but able to view newspaper or TV without wearing glasses,” “unable to view newspaper or TV with glasses,” or “no sight at all.”

At the beginning of the study, 932 people had normal vision and hearing, 2,957 had either visual or hearing impairment and 2,631 recorded that they had both hearing and vision impairment.

To test dementia, researchers evaluated people’s thinking and memory skills every two years over six years. The test included word recall and recognition. The relationship between having a vision or hearing impairment and dementia and having both impairments and dementia were analyzed.

In the group that recorded both impairments, dementia was twice as common. Within that group, 8% had dementia at the start of the study, compared to 2.4% with one sensory impairment and 2.3% with no sensory impairment.

More Research Needed

Researchers stress that further research is needed to explain why people with two impairments have a higher risk of dementia compared to those who only have one.

Study author JinHyeong Jhoo, M.D., Ph.D., said, “Older people with only a visual or hearing impairment can usually still maintain social contact, so they may not feel as isolated or depressed as people who have both impairments. However, when someone has both impairments, that may increase the risk of isolation and depression, which previous research has found may affect dementia risk and thinking skills later on.”

This study did have some limitations as the questionnaires are the only way that hearing and vision loss was recorded. There were no objective measures recorded that could have impacted the loss recorded.

This study adds to mounting evidence that eyesight and hearing tests can help to reduce other secondary conditions. Health care providers must recognize the risks that come from the impairment of vision and hearing.


Author Bio

Sarah began her interest in nutritional healing at an early age. After going through health problems and becoming frustrated with the conventional ways doctors wanted to treat her illness (which were not working), she took it upon herself to find alternative treatments. This led her to revolutionize her own diet to help her get healthier and tackle her health problems. She began treating her illness by living a more balanced lifestyle through healthy food choices, exercise and other alternative medicine such as meditation. This total positive lifestyle change led her to earn a diploma in Nutritional Therapy from Health Sciences Academy in London, England. Today, Sarah enjoys helping others by teaching healthy lifestyle changes through her personal consultations and with her regular contributions to the Doctors Health Press. Also, passionate about following her dreams in life, Sarah moved to France and lived in Paris for over 5 years where she earned a certification in beadwork and embroidery from Lesage (an atelier owned by Chanel). She then went on to be a familiar face sitting front row and reporting from Paris Fashion Week. Sarah continues to practice some of the cultural ways of life she learned while in Europe. They enjoy their food, and take the time to relax and enjoy many of life’s little moments. These are life lessons she is glad to have brought back home with her.

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https://medicalxpress.com/news/2021-04-vision-loss-dementia.html
https://wcblind.org/2020/06/dementia-and-vision-loss/#:~:text=A%20person%20who%20has%20dementia%20as%20well%20as,and%20have%20difficulty%20understanding%20and%20learning%20new%20tasks.

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