Eye floaters are often described as black spots or squiggly strands in a patient's field of vision. Read about causes, symptoms, diagnosis, removal and treatment.

Eye injuries range from the very minor, such as getting soap in your eye, to the catastrophic, resulting in permanent loss of vision. Get first aid tips, see pictures, and learn more about the symptoms and treatment of eye injuries.

Read about a foreign body in the eye symptoms, sensation, removal, and treatment.

Retinoblastoma is a type of eye cancer that starts in the retina of the eye. Learn the symptoms, stages, and treatment of retinoblastoma.

Get information about eye herpes, also known as ocular herpes and herpes simplex keratitis. Learn about causes, symptoms, signs, diagnosis, treatment, and prevention.

Diabetic eye disease (diabetic retinopathy) is a complication from diabetes. Symptoms of diabetic eye disease include blurry or hazy vision, difficulty focusing, and night glare from oncoming lights. Learn how to prevent diabetic eye disease. While diabetic eye disease may not be reversible, you can prevent and control it with proper treatment.

Learn about how contact lens problems are treated and how to care for different types of contact lenses: soft, rigid gas permeable (RGP), extended wear, daily wear, and overnight wear.

Read about black eye causes (such as a blow to the nose or eye, cosmetic surgery procedures, head injuries, allergic relations) and how to treat the injury and how long it takes to heal.

Chemical exposure to any part of the eye or eyelid can cause permanent damage. Symptoms and signs include eye pain, tearing, and eye redness. Learn about chemical eye burns from alkalis, acids, or irritants, and find out what to do in this medical emergency.

A corneal abrasion is a scratched cornea. Corneal abrasion treatment often includes antibiotic and anesthetic eyedrops, and pain medication. Healing time for a corneal abrasion can happen within 24-48 hours of the injury, but they may occasionally heal poorly and then recur.

Read about the causes, symptoms, treatment and prevention of corneal abrasion, a painful scrape or scratch on the cornea.

Acute angle-closure glaucoma is caused by a rapid or sudden increase in pressure inside the eye, called intraocular pressure (IOP). Symptoms of acute angle-closure glaucoma severe eye pain, nausea and vomiting, headache, blurred vision and/or seeing haloes around lights, profuse tearing. The condition requires treatment by an ophthalmologist which may include medication, surgery, or a combination approach.

Read about dry eye syndrome (DES) causes, symptoms, medications, and treatment. A gritty sensation, blurred vision, and light sensitivity are symptoms of dry eye syndrome.

Angle recession glaucoma is a type of traumatic glaucoma. Read about angle recession glaucoma treatment, symptoms, and diagnosis. Learn the mechanism behind angle recession glaucoma and how to prevent traumatic eye injury.

Primary open-angle glaucoma is damage to the optic nerve, usually caused by high intraocular pressure. Learn about symptoms, treatment, and surgery.

The term ocular hypertension usually refers to any situation in which the pressure inside the eye, called intraocular pressure, is higher than normal. Read about treatment and symptoms of ocular hypertension.

Glaucoma is usually high pressure inside the eye that damages the optic nerve and can result in permanent vision loss. Read more about the criteria for diagnosis, symptoms, treatment, and risk factors for glaucoma.

Hyphema is bleeding in the front of the eye. Read about hyphema treatment (surgery), signs and symptoms (bleeding in the eye), causes (ocular trauma between the cornea and iris), and diagnosis.

Even though the eye is small, only about 1 inch in diameter, it serves a very important function -- the sense of sight. Learn about the anatomy and physiology of the eye and see pictures of eye anatomy.

Glaucoma is usually high pressure inside the eye that damages the optic nerve and can result in permanent vision loss. Glaucoma can be congenital, and usually takes the form of either open-angle glaucoma or narrow angle glaucoma. Learn the symptoms, treatment, and surgery info here.

Read about lens-particle glaucoma symptoms, definition, treatment, signs, causes, diagnosis, prognosis, prevention information, and medications.

Cataracts occur in the lens of the eye, the transparent part that focuses light or an image on the retina. Symptoms and signs of cataracts include age-related vision changes such as worsening fogginess of the visual field as the lens becomes opaque with cloudy proteins. Surgery is required for cataract treatment.

Macular degeneration is the leading cause of legal blindness. Read about symptoms, diagnosis, medications, statistics, prevention, and treatment information.

Glaucoma (ocular hypertension) is a class of eye diseases that compromises vision because of increased pressure in the eye. Get the facts on surgery, treatment, tests, symptoms, and prevention.

Low-tension or normal-tension glaucoma is caused by bloodflow problems to the eye rather than high pressure as in other glaucoma types. Read more about normal-tension glaucoma risk factors, symptoms, treatment and prognosis.

When you need to visit an eye care professional, it is important to make sure that you see the person who is most qualified to take care of any concerns you may have.

About 20% of the population has allergies. Eye allergy symptoms and signs include a burning sensation, redness, tearing, and eye swelling. Read about treatment, home remedies, causes, and the prognosis of eye allergies.

Primary congenital glaucoma is characterized by photophobia, epiphora, and blepharospasm. Read about hereditary, causes, symptoms, treatment, risk factors, and prognosis.

Amblyopia, or lazy eye, is when one eye is weaker than the other eye. Lazy eye may be caused by strabismus, cataract, farsightedness, nearsightedness, or astigmatism. Get the facts on amblyopia, and read about treatment and prevalece.

The digestive system is comprised of the mouth and salivary glands, esophagus, stomach, small intestine, and large intestine. Pictures assist with identifying each organ.

The endocrine system is made up of glands that produce and secrete hormones. These hormones regulate the body's growth, metabolism, and sexual.

Learn about the function of the breast, design, function, milk production during and after pregnancy, and common medical concerns about the breast.

The central nervous system or CNS include the brain and spinal cord. The CNS is responsible for the control of thought processes, movement, and provides sensation throughout the body.

Crohn's disease is an inflammatory bowel disease, and the characteristic feature is chronic inflammation of the digestive tract. The inflammation causes pain in the abdomen and may result in diarrhea. Complications of Crohn's disease include strictures, intestinal blockage, scar tissue, and fistulas.

The reproduction system in males is the penis, scrotum, testicles (testes), Vas deferens, seminal vesicles, prostate gland, and the urethra. Drugs, environmental factors, genetics, age, and disease can affect how these structures function, for example, sexual function and libido, enlarged prostate, urinary tract infections, and prostate cancer.

Iritis is inflammation of the iris caused by eye trauma, ankylosing spondylitis, herpes, sarcoidosis and Lyme disease. Read about symptoms, prognosis and treatment.

A detached retina can cause distorted and blurry vision. Learn about treatment, symptoms, surgery, prognosis, and the various types of retinal detachments.

Pinkeye is reddening of the whites of the eyes. Learn about pinkeye (conjunctivitis) symptoms, home remedies, treatment options, and causes.

Learn about corneal ulcer symptoms, treatment (surgery, antibiotic eyedrops) and prevention. Corneal ulcers may be caused by bacterial, fungal, or viral eye infections.

Read about the risks associated with different types of vision correction surgery such as LASIK and PRK. This surgery may be used to treat farsightedness, nearsightedness or astigmatism.

Learn about corneal flash burns (ultraviolet [UV] keratitis) symptoms, causes (radiation damage to the eyes), treatment and prevention.

Coughing, vomiting, and trauma may cause bleeding in the eyes. Broken blood vessels in the eye cause bright red patches in the white of the eye. Read about subconjunctival hemorrhage causes, symptoms, signs, and treatment.

Glaucoma is a disease characterized by increased intraocular pressure (IOP). (Intraocular means within the eye.) Treatment for glaucoma can include medication and/or surgery to lower the intraocular pressure.

The late effects of childhood cancer and its treatment are health problems that manifest months or years after treatment has ended. Learn the common long-term effects, risks, survival rates, and types of childhood cancer.

Read about ankylosing spondylitis (AS) diagnosis, treatment, causes, and symptoms, and learn about the causes, HLA-B27, symptoms, and treatment of anterior uveitis (eye inflammation associated with AS).

There are different types of treatments for patients with intraocular melanoma (a type of eye cancer). There are five types of standard treatment for intraocular melanoma: surgery, watchful waiting, radiation therapy, photocoagulation, and thermotherapy.

Pinkeye (viral conjunctivitis) is a common eye infection. Signs and symptoms include itchy red eyes with discharge. Read about causes, diagnosis, treatment and prevention.

An eye sty (stye) is an infection of the eyelid, resulting from a blocked oil gland. Learn about other causes, symptoms, medicine, treatment, home remedies, contagiousness, pictures, and how to prevent future problems.

Get the fact on astigmatisms. Read about astigmatism symptoms, diagnosis, treatment information, prognosis and prevention. Irregular curvature of the cornea causes astigmatism.

A chalazion (lump on the eyelid) is inflammation of the eyelid. A chalazion is a lump on the eyelid caused by a blocked oil gland. Chalazia are not contagious. Symptoms of a chalazion include pain, the lump feels hard or firm to the touch. Chalazia are rarely painful. Treatment for chalazia include home remedies and medications. Usually, when the chalazion has gone away, it doesn't recur.

If you have glaucoma, you most likely use 1 or more kinds of eyedrops, possibly 2, 3, or more times during the day. Learn how to make sure the medicine gets where it needs to go and avoid infection.

Juvenile rheumatoid arthritis (JRA) or juvenile idiopathic arthritis (JIA) symptoms and signs include fever, joint pain, swelling, and deformity. Read about treatment, causes, prognosis, and diagnosis. JIA is a chronic disease that affects children under 16 years of age.

A fracture is a broken bone. Facial fracture refers to any injury that results in a broken bone or bones of the face, for example a broken nose, jaw, midface bones, cheekbone, eye socket, and TMJ bones.

Recovery after surgery for a torn ACL may take six to nine months. Read more about torn ACL symptoms, signs, recovery time, treatment, prevention, and prognosis.

Blepharitis is eyelid irritation caused by eye allergies, infection, or cancer. Redness, itching, tearing, and blurry vision are symptoms and signs. Treatment involves eyedrops and ointments.

Incontinentia pigmenti (sometimes referred to as IP or Bloch-Sulzberger syndrome) is a rare inherited disorder of skin pigmentation. Read about prevention, treatment, causes, symptoms, and signs.

Though most styes will drain on their own, trying some home remedies may expedite the rupture of the sty. Medical treatment for styes may be necessary if a sty persists for several days. Read more about treatment options and remedies for styes.

The cause of Sjogren's syndrome is unknown. Treatment focuses on relieving symptoms such as dry mouth and eyes. Read about causes, diagnosis, prognosis, and complications.

What can an electrocardiogram (ECG or EKG) detect? Electrocardiogram, ECG, or EKG, is a diagnostic tool that measures and records the electrical activity of the heart. Learn about what conditions can be diagnosed through this test.

Paranasal sinus and nasal cavity cancer is a disease in which cancer cells form in the the paranasal sinuses and nasal cavity. Learn about symptoms and treatment.

Cluster headaches are the most severe type of primary headache. Doctors don't know exactly what causes this type of headaches. They appear suddenly on one side of the face or head (usually behind only one eye or it feels like your eye is being stabbed), and the head pain is severe. Pain relief can be provided with prescription medications.

Cellulitis is a bacterial infection of the skin and soft tissues that causes swelling, redness, tenderness, and warmth. Read about treatment, antibiotics, symptoms, signs, diagnosis, prevention, and prognosis.

Onychomycosis is a fungal infection of the toenails or fingernails, which causes symptoms and signs such as thick, discolored, disfigured, and split nails. Learn about treatment, and home remedies, and see pictures.

Toxoplasmosis is a disease caused by the Toxoplasma gondii parasite. Read about symptoms, preventing transmission to the fetus during pregnancy, diagnosis, treatment, and side effects of infection.

The varicella-zoster virus that causes chickenpox also causes shingles. Symptoms and signs include a painful red rash and blisters. The VZV vaccine may prevent infection. Read about treatment and see pictures.

Learn about causes of leg pain, such as trauma, fractures, blood clots, sprains, strains, bleeding, and artery disease. Read about treatment, diagnosis, and associated symptoms and signs.

Diseases of the thyroid gland can lead to hyperthyroidism, hypothyroidism, thyroid nodules, thyroid goiters, or thyroid cancer. Learn about symptoms, causes, and treatment.

Colonoscopy is a procedure performed by doctors(gastroenterologists) that specialize in problems in the gastrointestinal (GI, digestive) tract. Colonoscopy is performed for screening and/or to test for diseases like colon, rectal, or anal cancer, colon polyps, and types of colitis like ulcerative or microscopic colitis. Prepare for a colonoscopy by following your doctor's instructions before procedure.

Getting an object stuck in the ear is a relatively common problem, especially in toddlers. The vast majority of items are lodged in the ear canal. If an object cannot be retrieved from the ear easily (without the aid of tweezers, etc.) medical care should be sought.

Injury from chemical weapon agents, known as CWAs, may result from industrial accidents, military stockpiling, war, or a terrorist attack. Industrial accidents are a significant potential source of exposure to CWAs.

A bruise is a common skin injury that results in a discoloration of the skin. Learn about symptoms, treatment, home remedies, and common causes of bruises.

There are two types of hearing loss symptoms, conductive and sensorineural. Conductive causes are obstructions, perforation, and ear infections. Sensorineural causes are trauma, drugs, diseases and conditions. Get treatment information.

Learn about the causes, symptoms, signs, and treatment of nail psoriasis. Treatments range from creams and ointments to steroid injections and PUVA therapy. Plus, see pictures of nail psoriasis.

A root canal is a procedure used to preserve a tooth that has suffered deep decay, infection, or trauma. Although dreaded, anesthesia ensures patients can undergo a root canal without pain. Read about the factors that influence the cost of a root canal and what to expect during recovery.

Sinus infection is inflammation and/or infection of the sinuses. Signs and symptoms of sinus infections include nasal congestion, facial pain and swelling, sinus headache, fever, and cough. Home remedies, antibiotics, and OTC and prescription medications help relieve sinus pressure and pain and cure viral and non-viral infections.

Colitis refers to inflammation of the colon that can cause abdominal pain and diarrhea. Learn about common causes, symptoms, treatment, prevention, types, and diet.

Knee pain and swelling are common symptoms and signs of a knee injury. Read about knee pain diagnosis, treatment, recovery, and prevention of common knee injuries.

Dermatomes are areas of skin that receive sensations from sensory nerves exiting the spinal cord. Sensory nerves provide the feeling of hot, cold, pain, etc. There are 7 cervical, 12 thoracic, 5 lumbar, and 1 coccygeal nerve dermatomes. Doctors use dermatomes to help diagnose diseases and conditions. Myotomes is a group of single spinal nerves that originate from groups of muscles.

Read about finger injuries, from cuts and scrapes to wounds and broken bones. Causes of finger injuries can be from playing sports (jammed finger) to a broken finger or amputated finger.

Learn about vertigo cures, treatments, causes, symptoms, exercises, diagnosis, home remedies, and more. Discover what you can do to treat vertigo at home.

Household products that are highly basic or acidic can cause chemical burns. They can appear anywhere on the skin, including the face, eye, hands, and scalp. Some chemical burns cause scarring. See chemical burn pictures, and learn more about chemical burn treatment.

Personal Protective Equipment (PPE) is any kind of gear or garment designed to protect the wearer from disease, pathogens or poison. Learn more about the definition, training, and when to wear personal protective equipment (PPE).

What causes headaches? Even when mild, headaches can be a cause for concern. Learn about potential causes, types, home remedies, and treatment.

Inflammatory bowel disease (IBD) consists of two different diseases, Crohn's disease and ulcerative colitis. Symptoms and signs of IBD include abdominal pain, bloody diarrhea, weight loss, fever, and anemia. Treatment for IBD includes diet, lifestyle changes, medication, and surgery.

Chickenpox is a highly contagious viral infection. The Varivax vaccine is 95% effective against chickenpox. Learn about chickenpox (chicken pox) signs, symptoms, causes, and treatment.

Read about tick bite prevention, and learn symptoms, signs, and treatment of tick bites. Find out about types of ticks, and learn how to remove a tick.

What causes diabetes, what tests diagnose it, and what is a good diabetic diet? Learn the signs of being diabetic, and the differences between type 1 vs. type 2 diabetes. Read about causes, complications, prognosis and treatments.

Consumption of alcohol during pregnancy can cause fetal alcohol syndrome (FAS). Learn about causes, symptoms, diagnosis, and prevention of this birth defect.

Psoriatic arthritis is a specific condition in which a person has both psoriasis and arthritis. Read about psoriatic arthritis symptoms, treatment, diet, prognosis, and diagnosis, and see pictures.

Read about five types of headaches, including cluster, migraine, tension, sinus, and mixed varieties. Before you can figure out how to get rid of a headache, you need to identify what kind of headache you have. Read about headache triggers and what to do if you experience the worst headache of your life.

Coxsackieviruses are a common cause of infection. Coxsackievirus infection is contagious and the virus can spread by coming into contact with respiratory secretions from infected patients. Hand, foot, and mouth disease is a common childhood illness caused by a virus, coxsackievirus A-16.

Erectile dysfunction (ED), or impotence, is defined as the inability of a man to achieve and maintain an erection sufficient for mutually satisfactory intercourse with his partner. Learn about ED diagnosis, treatment, surgery, and types of medical therapy.

Elevated homocysteine levels are associated with heart attack, stroke, and blood clots. Homocysteine levels may be assessed by a blood test. Lowering homocysteine can be achieved with vitamin supplements and folic acid.

Rectal bleeding (also called hematochezia, meaning bright red blood in the stool) is a symptom of a problem in the digestive tract. Common causes of rectal bleeding include hemorrhoids, anal fissure, diverticulosis, infection, inflammation (IBD or irritable bowel disease, Crohn's disease, colitis), blood vessel problems (angiodysplasia). Other causes may include polyps, tumors, trauma, an upper gastrointestinal source like stomach ulcers, and Meckel's diverticulum (rare).

Normal sleep has 2 distinct stages: non-rapid eye movement (NREM) and rapid eye movement (REM) sleep. Learn about REM sleep behavior disorder treatment, symptoms, causes, and cure.

Ultrasound (sonography, Doppler study) is a non-invasive diagnostic medical procedure that examines internal organs and various parts of the body. There are several types of ultrasound, including 2D, 3D and 4D. An abdominal ultrasound is commonly used to examine the fetus (baby) during pregnancy, while a transvaginal ultrasound may be used to assess non-pregnancy symptoms.

Cluster headache is an uncommon condition characterized by short-lived attacks of sudden, severe pain around one of the eyes. Learn about treatment, symptoms, causes, dangers, curable, and prevention.

Coxsackieviruses are a common cause of contagious infection. Kawasaki disease is associated with fevers and mainly affects children. Learn about causes, symptoms, and treatment.

Parasomnias are disruptive sleep-related disorders. They are characterized by undesirable physical or verbal behaviors or experiences. Learn about parasomnia causes, treatment, danger, and symptoms.

Read about sleep and sleep disorders including sleep apnea and sleep paralysis. Learn why sleep deprivation is so detrimental and what you can do to fall asleep fast.

Unwashed hands spread the coxsackievirus, which causes symptoms and signs such as rash, sore throat, and hand, foot, and mouth disease. Get information about coxsackievirus infection (Enterovirus) diagnosis, treatment, and prevention.

Langerhans cell histiocytosis is a type of cancer that can damage tissue or cause lesions to form in one or more places in the body. Family history of cancer or having a parent who was exposed to certain chemicals may increase the risk of LCH. The signs and symptoms of LCH depend on where it is in the body.

Get information on leprosy (Hansen's disease) symptoms, signs, causes, diagnosis, treatment, and prevention. Leprosy is a disfiguring infectious disease caused by Mycobacterium leprae bacteria.

Rashes are very common conditions and can have many causes, though some may be dangerous. Read about causes, symptoms, and treatment of life-threatening skin rashes.

Sea cucumber irritation symptoms include a skin rash, severe eye irritation that can result in blindness in severe or untreated cases. Ingestion of undercooked sea cucumber has been known to cause death.

Sickle cell disease or sickle cell anemia is the most common of the hereditary blood disorders among black people of African descent worldwide. Learn about symptoms, treatment, causes, inheritance, testing, complications, and more.

A testicular self-examination (TSE) is useful in the detection of cancer of the testicles. Learn about the risk factors, risks, and symptoms of testicular cancer.

Learn about the different types of hernia, symptoms, pain, causes, treatment and complications. There are many types of abdominal hernias (umbilical, incisional, hiatal). The groin is one of the most common areas for a hernia to occur.