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Obesity

Aesthetic medicine

Obesity is defined as having an abnormal or excessive accumulation of fat on the body, enough so that it can be a risk to the health of the person. There most common way of classifying the amount of weight on the body, and what constitutes as a healthy balance, is the body mass index (BMI), which is calculated by dividing your weight in...

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Obesity surgery

Surgery

What is obesity surgery? Obesity surgery, otherwise known as bariatric or weight-loss surgery, describes a range of procedures that are designed to treat people with obesity. Whilst there are different types of gastric surgery, the aim of the procedure is always to reduce the size of the stomach. Why...

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Obsessive compulsive disorder (OCD)

Psychology

What is obsessive-compulsive disorder (OCD)? Obsessive-compulsive disorder, commonly known as OCD, is a form of anxiety disorder, characterised by obsessions and compulsions. Obsessions can be defined as being reoccurring and uncontrollable thoughts, whilst compulsions can be defined as behaviours that the patient feels compelled to do. Compulsions are usually performed to deal with the anxiety caused by the...

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Obstetric physiotherapy

Physical therapy

What is obstetric physiotherapy? Obstetric physiotherapy is a type of physiotherapy that focusses on gynaecological and pelvic floor issues. Obstetric physiotherapists may specialise in:

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Obstructive bronchitis

Paediatrics

What is it? Obstructive bronchitis is a condition that affects the bronchi. It is defined as the swelling or inflammation of the main airways of the lungs, which can make breathing more difficult. This condition can develop for different reasons, the most common one being a viral infection. Prognosis Early detection is important as it may develop into a more serious condition. Acute bronchitis can be treated by following the pulmonologist’s advice. If...

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Occupational therapy (OT)

Physical medicine & rehabilitation

What is occupational therapy? An occupation is any task you want to accomplish: getting out of bed, washing yourself, cooking, going out to see friends, or working. For a range of reasons, such as illness, injury, or disability, you might find it difficult to carry out some of these tasks. An occupational therapist is a healthcare professional who can help you adapt to make a task easier, and carry on doing what is important to you.

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OCT (optical coherence tomography)

Ophthalmology

What is OCT (optical coherence tomography)? An optical coherence tomography (OCT) scan is an imaging test that uses low coherence light beams analyse different sections of the human body, obtaining highly precise and reliable pictures of several levels of tissue. This scan is primarily used in ophthalmology (to study the cornea and retina) and cardiology (to assess the state of the blood vessels where there may be a potential narrowing, which...

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Ocular hypertension

Ophthalmology

What is ocular hypertension? Ocular hypertension occurs when the pressure inside the eye (intraocular pressure) is higher than normal. This pressure is measured in millimetres of mercury (mmHg) and is considered normal when it is between...

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Ocular melanoma

Ophthalmology

What is ocular melanoma? Ocular melanoma is a form of cancer that affects melanin, the cells responsible for producing pigment in the body. Although this disease is rare, it is the most common type of cancer that affects the eyes. It can affect all parts of this organ, especially hard-to-access parts that make detection difficult. This is why it is essential to have regular eye examinations. Treatment for ocular cancer will depend on the degree to which the melanoma has developed...

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Oculo-facial plastic and cosmetic surgery

Plastic surgery

What is oculo-facial plastic surgery? Oculofacial plastic surgery is a medical speciality that focuses on surgery to the eyelids, brow, nose and tear duct system to treat disease, remove tumours, and restore the cosmetic appearance of the face. There are very few oculofacial plastic surgeons in the world, concentrated in only a handful of clinics. Surgeons generally undergo specialist fellowship training learning specific surgical techniques to treat the delicate tissue...

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