Ishita Roy

Can You Detect Dementia With An Eye Test?

Can you detect dementia by an eye test?

<span><a href="https://www.healthandme.com/health/dementia">Dementia</a></span>. It is a brain condition that causes loss of cognitive function, which includes thinking, remembering and reasoning. It can also affect a person's ability to perform daily activities. It is a progressive neurological condition, which means the ability to communicate, or to perform cognitively deteriorates with time. You can delay the deterioration, but cannot stop it. But how does one delay the progress without knowing that it is happening? Well now, this can be achieved as Scottish researchers are working on a new AI tool that uses high-street opticians to spot early signs of dementia. 

Now, dementia can be diagnosed through an eye test.

Scottish scientists from the NeurEye research team have found that photographs taken of the retina at the back of the eye can indicate of brain health. It is done using AI software to analyze the information. Scientists also use this to spot signs of diseases before any symptoms are even experienced. 

The team of scientists has collected a million eye scans from opticians across Scotland, which is also the largest data set of this kind. With the help of AI, they have developed an algorithm that can assess the health of the blood vessels in the eye that indicates neurogenerative diseases. 

The database built by the team can be applied to photographs taken during routine eye checkups and could be used by clinicians to prevent diseases from occurring. It could also help them in diagnosing conditions at an earlier stage than what they currently can.

The blood vessels in the eye are small and fine, which means they show up conditions earlier than any other part of our body. Balijean Dhillon, who is part of the research group led by the University of Edinburg and researchers from Glasgow Caledonian University said that eyes can reveal more than was thought possible.

All the systems of the body are represented in eye. In fact, the diseases like cataracts, glaucoma, macular degeneration, problem with vision could also detect vascular system, heart health, high blood pressure, diabetes and even neurological conditions. While some of these conditions may show up late, eye care can detect it way before. The earlier you find it, the better it is for you to be able to delay the deterioration. 

Dementia is an umbrella term to describe diseases that cause people to lose their cognitive functions. These diseases gradually progress decreasing the ability for someone to function in daily life and take care of themselves. There are some medications used to delay the onset of it and to manage it. People can reduce the chances of developing it by following a healthy diet and lifestyle.

Different types of dementia occur due to different reasons. Some types of this disease are:

Alzheimer’s disease occurs when two abnormal proteins (tau and amyloid protein) build up in the brain. Some of its diseases include mental confusion, short-term memory loss, and personality and behaviour changes. In later stages, people may start having trouble talking, recalling distant memories and have issues with walking.

Vascular dementia may occur because of a stroke or atherosclerosis. Atherosclerosis is the hardening of the arteries from plaque building up gradually inside of them. It blocks and damages blood vessels in the brain. This disease has symptoms such as memory problems, confusion, concentration problems and difficulty in completing tasks.

Mixed dementia is a combination of two or more types of the disease. Sometimes, Alzheimer’s disease combined with vascular dementia causes mixed dementia. The health condition usually declines faster in people with mixed dementia than those who only have one type.

A mutation in the huntingtin(HTT) gene causes a breakdown in the brain’s nerve cells and it is responsible for Huntington’s. This disease causes body movement control problems, trouble thinking, decision-making, memory trouble and personality changes.

Someone may develop dementia-like symptoms if they suffer from repeated physical trauma to their head. Symptoms may appear after a long time and may include memory loss, behaviour or mood changes, slurred speech and headaches.

People who have Parkinson's disease may develop secondary dementia in the later stages. Some of its symptoms are having trouble with thinking or speaking. Patients may have hallucinations and delusions, or suffer from depression.

<h4>Normal Pressure Hydrocephalus(NPH)</h4>

When Cerebrospinal Fluid(CSF) builds up in the brain’s ventricles the excess build-up harms the brain and this causes Normal Pressure Hydrocephalus(NPH). A brain infection, brain injury, bleeding in the brain or any previous brain surgery can also cause this condition.

This disease has some symptoms such as poor balance, forgetfulness, and short attention span, loss of bladder control, frequent falls and mood swings.

Some infections such as HIV infection, syphilis as well as Lyme disease can cause dementia-like symptoms. Urinary Tract Infections or UTIs, and lung infections can cause symptoms that match dementia.

Central Nervous infections and brain infections can cause cognitive symptoms. Also, COVID-19 symptoms include acute delirium or brain fog.

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AI eye test diagnoses dementia

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Dementia. It is a brain condition that causes loss of cognitive function, which includes thinking, remembering and reasoning. It can also affect a person's ability to perform daily activities. It is a progressive neurological condition, which means the ability to communicate, or to perform cognitively deteriorates with time. You can delay the deterioration, but cannot stop it. But how does one delay the progress without knowing that it is happening? Well now, this can be achieved as Scottish researchers are working on a new AI tool that uses high-street opticians to spot early signs of dementia. Now, dementia can be diagnosed through an eye test.AI, Eye Test, And DementiaScottish scientists from the NeurEye research team have found that photographs taken of the retina at the back of the eye can indicate of brain health. It is done using AI software to analyze the information. Scientists also use this to spot signs of diseases before any symptoms are even experienced. The team of scientists has collected a million eye scans from opticians across Scotland, which is also the largest data set of this kind. With the help of AI, they have developed an algorithm that can assess the health of the blood vessels in the eye that indicates neurogenerative diseases. The database built by the team can be applied to photographs taken during routine eye checkups and could be used by clinicians to prevent diseases from occurring. It could also help them in diagnosing conditions at an earlier stage than what they currently can.How It Works?The blood vessels in the eye are small and fine, which means they show up conditions earlier than any other part of our body. Balijean Dhillon, who is part of the research group led by the University of Edinburg and researchers from Glasgow Caledonian University said that eyes can reveal more than was thought possible.All the systems of the body are represented in eye. In fact, the diseases like cataracts, glaucoma, macular degeneration, problem with vision could also detect vascular system, heart health, high blood pressure, diabetes and even neurological conditions. While some of these conditions may show up late, eye care can detect it way before. The earlier you find it, the better it is for you to be able to delay the deterioration. What Is Dementia?Dementia is an umbrella term to describe diseases that cause people to lose their cognitive functions. These diseases gradually progress decreasing the ability for someone to function in daily life and take care of themselves. There are some medications used to delay the onset of it and to manage it. People can reduce the chances of developing it by following a healthy diet and lifestyle.Types of DementiaDifferent types of dementia occur due to different reasons. Some types of this disease are:Alzheimer’s DiseaseAlzheimer’s disease occurs when two abnormal proteins (tau and amyloid protein) build up in the brain. Some of its diseases include mental confusion, short-term memory loss, and personality and behaviour changes. In later stages, people may start having trouble talking, recalling distant memories and have issues with walking.Vascular DementiaVascular dementia may occur because of a stroke or atherosclerosis. Atherosclerosis is the hardening of the arteries from plaque building up gradually inside of them. It blocks and damages blood vessels in the brain. This disease has symptoms such as memory problems, confusion, concentration problems and difficulty in completing tasks.Mixed DementiaMixed dementia is a combination of two or more types of the disease. Sometimes, Alzheimer’s disease combined with vascular dementia causes mixed dementia. The health condition usually declines faster in people with mixed dementia than those who only have one type.Huntington’s DiseaseA mutation in the huntingtin(HTT) gene causes a breakdown in the brain’s nerve cells and it is responsible for Huntington’s. This disease causes body movement control problems, trouble thinking, decision-making, memory trouble and personality changes.Traumatic Brain InjurySomeone may develop dementia-like symptoms if they suffer from repeated physical trauma to their head. Symptoms may appear after a long time and may include memory loss, behaviour or mood changes, slurred speech and headaches.Parkinson’s DiseasePeople who have Parkinson's disease may develop secondary dementia in the later stages. Some of its symptoms are having trouble with thinking or speaking. Patients may have hallucinations and delusions, or suffer from depression.Normal Pressure Hydrocephalus(NPH)When Cerebrospinal Fluid(CSF) builds up in the brain’s ventricles the excess build-up harms the brain and this causes Normal Pressure Hydrocephalus(NPH). A brain infection, brain injury, bleeding in the brain or any previous brain surgery can also cause this condition.This disease has some symptoms such as poor balance, forgetfulness, and short attention span, loss of bladder control, frequent falls and mood swings.InfectionsSome infections such as HIV infection, syphilis as well as Lyme disease can cause dementia-like symptoms. Urinary Tract Infections or UTIs, and lung infections can cause symptoms that match dementia.Central Nervous infections and brain infections can cause cognitive symptoms. Also, COVID-19 symptoms include acute delirium or brain fog.