ophthalmology

Keratitis is the inflammation of the outer part of the eye, known as the cornea, which arises especially when incorrectly used contact lenses, as this may favor infection by microorganisms. There are 3 main types of keratitis: Herpetic keratitis is a common type of viral keratitis that occurs in cases of herpes or shingles; Bacterial or fungal keratitis: they are caused by bacteria or fungi that may be present in contact lenses or contaminated water from lakes, for example; Acanthamoeba keratitis: is a serious infection caused by a parasite that can develop in contact lenses, especially those t

Glaucoma is an eye disease characterized by an increase in intraocular pressure or a fragility of the optic nerve. The most common type of glaucoma is open-angle glaucoma that causes no pain, or any other symptom that may indicate an increase in intraocular pressure. Closed-angle glaucoma, which is the least common type, can cause pain and redness in the eyes

The surgery for strabismus can be done on children or adults, however, this, in most cases, should not be the first solution to the problem, as there are other treatments, such as use of correction glasses or eye exercises and eye can help achieve the same results and improve vision without the need for surgery

Stereo blindness is a change of vision that causes the observed image to have no depth, so there is difficulty in seeing three dimensions. In this way, everything is observed as if it were a kind of photograph. The test for stereo blindness is very easy and simple to use, and can be done at home. However, it is recommended to consult an ophthalmologist whenever there are suspicions of changes in vision, since he is the health professional indicated to diagnose and treat these problems properly

Nystagmus is the involuntary and oscillatory movement of the eyes, which can happen even if the head is stopped, and may result in some symptoms, such as nausea, vomiting and imbalance, for example. The movement of the eyes can happen from side to side, being called horizontal nystagmus, from top to bottom, receiving the name of vertical nystagmus, or in circles, this type being called rotational nystagmus

Bacterial conjunctivitis is one of the most common eye problems, which causes the onset of redness, itching and the production of a thick yellowish substance. This type of problem is caused by an infection of the eye by bacteria and is therefore usually treated with antibiotics in the form of drops or ointments prescribed by the ophthalmologist and the correct hygiene of the eye with saline solution

Allergic conjunctivitis is an inflammation of the eye that arises when you are exposed to an allergenic substance such as pollen, dust or animal hair, for example, causing symptoms such as redness, itching, swelling and excessive tear production. Although it can happen at any time of the year, allergic conjunctivitis is more common during spring due to the greater amount of pollen in the air

Treatment for conjunctivitis can be done with the use of eye drops, ointment or tablets, but the choice will depend on the cause of the disease and the type of conjunctivitis. In this way, it is always recommended to consult an ophthalmologist, in the case of the adult, or a pediatrician, in the case of the baby, to correctly identify the type of conjunctivitis and start the appropriate treatment

Viral conjunctivitis is an inflammation of the eye caused by viruses such as adenovirus or herpes, for example, which cause symptoms such as redness in the eye, excessive remixing, itching, and tears. Although viral conjunctivitis often disappears without requiring specific treatment, it is highly contagious and therefore, while the eye is red there is a high chance of catching the infection for other people, being recommended to stay at home

Swelling in the eyes can have several causes, arising from less serious problems such as allergies or strokes, but can also happen due to infections such as conjunctivitis or stye, for example. The swollen eye usually happens due to an accumulation of water that occurs in the tissues around the eye, such as in the eyelids or glands, and when it lasts for more than 3 days it is recommended to consult an ophthalmologist to diagnose the cause and initiate appropriate treatment, which may even involve the use of antibiotics

Keratoconjunctivitis is an inflammation of the eye that affects the conjunctiva and cornea, generating symptoms such as redness of the eyes, sensitivity to light and the sensation of sand in the eye. This type of inflammation is more common due to infection by bacteria or viruses, especially the adenovirus, but it can also happen by dryness of the eye, being in these cases called dry keratoconjunctivitis

The herpes that manifests itself in the eyes, also known as ocular herpes, is caused by the herpes simplex virus type I and causes usually itching, redness and irritation in the eye, being often the symptoms similar to those of conjunctivitis. In addition, in most cases the herpes eye appears only in one eye, however it can also appear in both eyes

Eye drops are used to treat all types of eye problems such as eye discomfort, dryness, allergy or more serious problems such as conjunctivitis and inflammation, for example. Eye drops are liquid pharmaceutical forms, which should be applied to the eye in drops, and the number of drops to be used should be indicated by the doctor

Calyx consists of the inflammation of Meibomian glands, which are sebaceous glands that are located near the roots of the cilia and produce a greasy secretion. This inflammation results in obstruction of the opening of these glands, leading to the appearance of cysts that may increase over time, and may compromise vision

Blepharitis is an inflammation in the edges of the eyelids that causes pimples, scabs and other symptoms such as redness, itching and the sensation of having a speck in the eye. This change is common and can arise overnight, in people of any age, including babies and is caused by a change in the glands of Meibomius, responsible for maintaining the balance of ocular moisture

Uveitis corresponds to inflammation of the uvea, which is part of the eye formed by the iris, ciliary body and choroid, which form the front of the eye, resulting in red eye, light sensitivity and blurred vision. The uveitis can be classified as anterior, posterior, intermediate or diffuse according to the region of the affected eye and should be treated quickly, as it can lead to complications such as cataracts, glaucoma, progressive loss of vision and blindness

The eyelid tremor of the eye is a very common condition that usually happens due to the tired muscles of the eyelid and is therefore very similar to what happens in a cramp in another muscle of the body, for example. Generally, the tremor affects only one of the eyelids of one eye, especially the lower eyelid, however, this type of tremor can also affect both eyelids and even the two eyes, although it is a rarer situation

Driving well is an essential capability for those who want to drive, as it helps to maintain the safety of the driver and of all road users. For this reason, vision testing is one of the most important factors in assessing whether someone is fit to take the driver's license. However, there are many other capabilities that also need to be tested, such as hearing, thinking speed and freedom of movement, with or without prosthesis, for example

Color blindness tests help confirm the presence of this change in vision, as well as helping the doctor identify the type, which facilitates treatment. While color testing can be done online, the diagnosis of color blindness must be confirmed by an optometrist. Identifying color blindness in childhood is important so that the child feels more integrated in the classroom by increasing school success

Red eyes may indicate that the person has some irritation due to the drier environment, tiredness or irritation due to the use of creams or makeup that may be causing an allergic reaction. However, redness in the eyes can also be caused by some diseases and so when this symptom is frequent you should go to the doctor to find out its cause and thus start the appropriate treatment