Ophthalmology 2022, December

Trembling eye: 9 main causes (and what to do)

Trembling eye: 9 main causes (and what to do)

Trembling in the eye is a term used by most people to refer to the fluttering sensation in the eyelid of the eye. This sensation is very common and usually happens because of eye muscle fatigue, being very similar to what happens in a cramp in any other muscle in the body.

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Xerophthalmia: what é, symptoms, causes and treatment

Xerophthalmia: what é, symptoms, causes and treatment

Xerophthalmia is a progressive disease of the eyes that is caused by a deficiency of vitamin A in the body, which leads to dryness of the eyes, which can result, in the long term, in complications such as night blindness or the appearance of ulcers in the cornea, for example.

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Eye pain: 11 main causes (and what to do)

Eye pain: 11 main causes (and what to do)

Eye pain is a relatively common discomfort that, in most cases, is caused by simple and temporary conditions such as dry eyes, incorrect use of contact lenses or even the flu. However, eye pain can also be a sign of a more serious problem that needs treatment, such as conjunctivitis, keratitis or even glaucoma, especially if it is accompanied by other symptoms such as redness, burning sensation, tenderness light, decreased visual ability or itching.

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Swollen eyes: 8 main causes and what to do

Swollen eyes: 8 main causes and what to do

Swelling in the eyes can happen as a result of allergies, blows to the eye, insect bites, be one of the common changes of pregnancy or be a sign of sty, conjunctivitis or blepharitis, for example. The eye becomes swollen due to an accumulation of fluid that happens in the tissues around the eye, such as in the eyelids or glands, and when it lasts more than 3 days it is recommended to consult an ophthalmologist to diagnose the cause and start the appropriate treatment, which can

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Uveíte: what é, symptoms and treatment

Uveíte: what é, symptoms and treatment

Uveitis corresponds to inflammation of the uvea, which is part of the eye formed by the iris, ciliary body and choroid, which results in symptoms such as red eye, sensitivity to light and blurred vision, and can happen as a consequence of autoimmune diseases or infectious, such as rheumatoid arthritis, sarcoidosis, syphilis, leprosy and onchocerciasis, for example.

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Herpes in the eye (eye): what é, symptoms, causes and treatment

Herpes in the eye (eye): what é, symptoms, causes and treatment

Herpes in the eyes, or ocular herpes, is an infection caused by the herpes simplex virus type 1, which can affect one or both eyes and lead to the appearance of symptoms similar to those of conjunctivitis, such as itching, swelling, redness, eye irritation, excessive tearing or blurred vision.

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Coloboma: what é, types, symptoms and treatment

Coloboma: what é, types, symptoms and treatment

Coloboma, popularly known as the cat's eye syndrome, is a type of eye malformation in which there is a change in the structure of the eye, which can affect the eyelid or the iris, so that the eye may look similar to the of a cat, but the ability to see is almost always maintained.

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Ophthalmológico exam: what é, what is it for and when to do it

Ophthalmológico exam: what é, what is it for and when to do it

Ophthalmological examination is a test used to evaluate the eyes, eyelids and tear ducts in order to investigate eye diseases such as glaucoma or cataract, for example. Visual acuity test is performed in the eye exam, which aims to evaluate the person's vision, however, other more specific exams can be done, such as eye movements or eye pressure assessment, which may include the use of of machines or specific instruments, causing no pain and not requiring any preparation be

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Vision problems: 11 symptoms of changesções in visionão

Vision problems: 11 symptoms of changesções in visionão

Sensation of tired eyes, sensitivity to light, tearing and itching in the eyes, are some symptoms that can be indicative of a vision problem, such as myopia, astigmatism or hyperopia, for example, especially when they remain for several days in a row.

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Blepharitis: what é, symptoms, causes and treatment

Blepharitis: what é, symptoms, causes and treatment

Blepharitis is inflammation on the edges of the eyelids that causes the appearance of crusts, crusts and other symptoms such as redness, itching and the sensation of having a speck in the eye. This alteration is common and can appear overnight, in people of any age, and happens due to an alteration in the Meibomian glands, which are responsible for maintaining the balance of ocular moisture.

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Rosáeye: what é, symptoms and treatment

Rosáeye: what é, symptoms and treatment

Ocular rosacea corresponds to the redness, tearing and burning sensation in the eye that can happen as a consequence of rosacea, which is an inflammatory skin disease characterized by redness of the face, especially on the cheeks. This situation occurs in about 50% of people with rosacea, and it is important that the diagnosis and treatment be done quickly to avoid complications such as loss of vision.

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7 daily care to protect the eyes

7 daily care to protect the eyes

With the constant use of smartphones, computers and tablets, the eyes remain focused at the same distance for long periods of time, which ends up causing dry eye syndrome, eyestrain and headaches. Daily eye care is essential to protect vision, as it favors not only its protection, but also relaxation and hydration of the eyes, even reducing the risk of having to wear glasses.

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Pain atrás of the eyes: what it can be and what to do

Pain atrás of the eyes: what it can be and what to do

Pain behind the eyes, or pain in the back of the eyes, can happen due to vision problems such as myopia or astigmatism, migraine, sinusitis, inflammation in the optic nerve or even COVID-19 infection, which can affect one or both eyes, and being mild or intense, worsened by eye movement or strained eyes.

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Bitot stains: what são, symptoms, causes and treatment

Bitot stains: what são, symptoms, causes and treatment

Bitot spots are small, greyish-white, oval, foamy, irregularly shaped spots that can appear on the whites of the eyes. This type of stain usually arises due to a lack of vitamin A in the body, which leads to an increase in the concentration of keratin in the conjunctiva of the eye.

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Retinoblastoma: what é, symptoms, causes and treatment

Retinoblastoma: what é, symptoms, causes and treatment

Retinoblastoma is a rare type of cancer that appears in one or both eyes of the baby, but when it is identified early, it can be treated without sequelae. Since this condition tends to appear in very small babies, it is common for it to be difficult to identify symptoms, as the baby cannot express what he sees or feels.

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Step by Step to Put on and Take off Contact Lenses

Step by Step to Put on and Take off Contact Lenses

The process of putting on and taking off contact lenses involves handling the lenses, which makes it necessary to follow some hygiene precautions that prevent the appearance of infections or complications in the eyes. Compared to prescription glasses, contact lenses have several advantages, as they do not fog up, do not weigh or slip and are more comfortable for those who practice physical activity, but their use can cause conjunctivitis, red eyes and dry patches or corneal

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Chemosis in the eye: what é, symptoms, causes and treatment

Chemosis in the eye: what é, symptoms, causes and treatment

Chemosis in the eye, or ocular chemosis, is swelling of the conjunctiva of the eye, which is the tissue that lines the inside of the eyelid and the surface of the eye, caused by the accumulation of fluid and can manifest as a blister, usually transparent, causing symptoms such as itching, tearing of the eye or blurred vision, and in some cases, difficulty closing the eye.

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Retinopathy of prematurity: what é, causes and treatment

Retinopathy of prematurity: what é, causes and treatment

Retinopathy of prematurity (RDP) is a very common visual problem in premature babies that occurs due to the reduced degree of eye development, which normally occurs during the last 12 weeks of pregnancy. In this way, the risk of developing retinopathy is greater the lower the gestational age of the baby at birth, and is not influenced by external factors such as lights or camera flashes, for example.

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Heterochromia: what é, causes and when to go to the doctor

Heterochromia: what é, causes and when to go to the doctor

Heterochromia is a rare condition in which the eyes are different colors. The color difference can be between the two eyes, when it is called complete heterochromia, in which case each eye has a different color from the other, or the difference can be in only one eye, when it is called sectoral heterochromia, in that a single eye has 2 colors In most cases, heterochromia is caused by a genetic alteration and, therefore, it is a benign alteration that does not need any kind

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Scratch&arthritis in the eye: symptoms, treatment and when to go to medical treatment

Scratch&arthritis in the eye: symptoms, treatment and when to go to medical treatment

A small scratch on the eye usually affects the cornea, which is the clear membrane that protects the eyes. This can cause intense eye pain, redness and tearing, requiring the use of cold compresses and medication. However, this injury is usually not serious and improves in 2 or 3 days.

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Pinguecula ocular: what é and how to treat

Pinguecula ocular: what é and how to treat

The pinguecula is characterized by a yellowish spot on the eye, with a triangular shape, which corresponds to the growth of a tissue made up of proteins, fat and calcium, located in the conjunctiva of the eye. Usually, this tissue appears in the region of the eye closest to the nose, but it can also appear in other places.

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Macular hole: what é, causes, symptoms and treatment

Macular hole: what é, causes, symptoms and treatment

The macular hole is a disease that affects the center of the retina, called the macula, forming a hole that grows over time and causes gradual loss of vision. This region is the one that concentrates the largest amount of visual cells, so this situation causes symptoms such as loss of sharpness of central vision, image distortion and difficulty in activities such as reading or driving.

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Retinitis pigmentosa: what é, symptoms, causes and treatment

Retinitis pigmentosa: what é, symptoms, causes and treatment

Retinitis pigmentosa corresponds to a group of hereditary diseases that affect the retina, an important region at the back of the eye that contains cells responsible for capturing images, the cones and rods. Thus, due to changes in these cells, it is possible to have a gradual loss of vision and the ability to distinguish colors, in addition to being able to result in blindness in some cases.

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Córnea transplant: as é done, when é indicated and recoversção

Córnea transplant: as é done, when é indicated and recoversção

Corneal transplantation is a surgical procedure that aims to replace the altered cornea with a he althy one, promoting an improvement in the person's visual capacity, since the cornea is the transparent tissue that covers the eye and is associated with image formation.

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Bull eyes (exophthalmos): what é, causes and treatment

Bull eyes (exophthalmos): what é, causes and treatment

Exophthalmos, also known as ocular proptosis or bulging eyes, is a medical condition in which one or both of a person's eyes are more bulging than normal, which can be caused by an inflammatory process or a problem leading to narrowing of the orbital cavity.

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Câcer in the eye: what é, symptoms, diagnosis and treatment

Câcer in the eye: what é, symptoms, diagnosis and treatment

Cancer in the eye, most of the time, does not cause any apparent signs or symptoms, and can happen in people of any age. However, retinoblastoma, for example, is more common in children up to 5 years old, while ocular melanoma is more common in people between 45 and 75 years old and who have light eyes.

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Scleritis: what é, symptoms, causes and treatment

Scleritis: what é, symptoms, causes and treatment

Scleritis is a condition characterized by inflammation of the sclera, which is the white layer of the eye, leading to redness in the eye, pain when moving the eyes, and decreased visual ability in some cases. Scleritis can affect one or both eyes and is more common in young and middle-aged women, often resulting from complications of diseases such as rheumatoid arthritis, lupus, leprosy or tuberculosis.

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Presbyopia: what é, symptoms, causes and treatment

Presbyopia: what é, symptoms, causes and treatment

Presbyopia, popularly known as tired eyes, is characterized by a change in vision that is associated with aging of the eye, resulting in progressive difficulty in focusing clearly on objects that are close. Presbyopia symptoms usually appear from the age of 40, reaching their maximum intensity around the age of 65, manifesting symptoms such as eye strain, difficulty reading small print or blurred vision, for example.

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Scotomas: what they are, symptoms, causes, types and treatment

Scotomas: what they are, symptoms, causes, types and treatment

Scotoma is characterized by the total or partial loss of vision in a region of the visual field, which is usually surrounded by an area where vision is preserved, creating a "black hole" effect in the viewed image. All people have a scotoma in their field of vision, which is called a "

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Ópolarized sunglasses: what é and main benefitsícios

Ópolarized sunglasses: what é and main benefitsícios

Polarized sunglasses are a type of glasses whose lenses are made to protect the eyes from the light rays that are reflected from the surfaces. UVA rays are the ones that most affect the earth's surface and that's why they are essential in a good sunglasses.

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11 dúCommon lives about wearing contact lenses

11 dúCommon lives about wearing contact lenses

Contact lenses are an alternative to prescription glasses, but their use can cause many doubts to arise, since it involves placing something directly in contact with the eye. Contact lenses have advantages when compared to prescription glasses as they do not break, weigh or slip on the face, being especially appreciated by those who do not like to wear prescription glasses or who practice any sport.

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Amaurosis fugax: what é, main causes and treatment

Amaurosis fugax: what é, main causes and treatment

Amaurosis is the temporary or permanent loss of vision, which can happen gradually, reaching only one or both eyes and can happen due to alteration of the electrical activity of the retina or decrease in blood flow to the eye, which may be a consequence of diseases such as atherosclerosis, ischemia or thrombosis, for example.

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Photophobia: what é, symptoms, causes and treatment

Photophobia: what é, symptoms, causes and treatment

Photophobia is an increased sensitivity or intolerance to light or brightness, which causes pain or discomfort when looking at light, increased tear production, difficulty opening or keeping the eyes open, and usually occurs in both eyes, but it can also affect only one eye.

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Blepharospasm: what é, causes and treatment

Blepharospasm: what é, causes and treatment

Blepharospasm, also known as benign essential blepharospasm, is a condition in which one or both eyelids are fluttering. This can also reduce the lubrication of the eyes, causing the person to blink more often. In most cases, blepharospasm is caused by excessive tiredness, being in front of the computer for a long time, excessive consumption of drinks and foods rich in caffeine, however, in some cases, when accompanied by other symptoms such as tremors in the body, for exam

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Meibomitis: what é, symptoms, causes and treatment

Meibomitis: what é, symptoms, causes and treatment

Meibomitis is the inflammation of the Meibomian glands or meibomian glands, located in the upper and lower eyelids of the eyes, responsible for producing meibum, a type of oil that lubricates the eyes and prevents tears from evaporating quickly.

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Hypertensive retinopathy: classificationç&athility, symptoms and treatment

Hypertensive retinopathy: classificationç&athility, symptoms and treatment

Hypertensive retinopathy is characterized by a group of changes in the fundus of the eye, such as retinal arteries, veins and nerves, which are caused by high blood pressure. The retina is a structure that is located at the back of the eyeball and its function is to transform the light stimulus into a nervous stimulus, which allows vision.

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Tattoo on the eye: he alth risksúde and alternatives

Tattoo on the eye: he alth risksúde and alternatives

Although it may have aesthetic appeal for some people, eyeball tattooing is a technique with many he alth risks, since it consists of injecting ink into the white part of the eye, which is made up of very sensitive tissues. Because it contains different types of chemicals, injected ink has a high probability of causing irritation of the internal structures of the eye, which can result in several serious consequences, such as:

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