ophthalmology

Glaucoma is a chronic disease that causes progressive loss of vision due to the death of optic nerve cells and can cause blindness if not treated properly when the first symptoms appear. So although this disease has no cure, when not treated properly it can cause the onset of various complications like constant eye pain, tunnel vision, flies and even blindness

Nocturnal blindness, scientifically known as nicotopia, is the difficulty in seeing in dimly lit environments, such as at night, when it is darker. However, people with this change may have a completely normal vision during the day. However, night blindness is not a disease, but a symptom or complication of another problem, such as xerophthalmia, cataracts, glaucoma or diabetic retinopathy

Dry eye symptoms mostly arise when the eye fails to produce enough tears and may include: Sensation of sand in the eyes; Red eyes; Heavy eyelids; Increased sensitivity to light; Blurry vision; Itching and burning eyes. These symptoms arise due to dry eye causes that include eye problems, spending too much time in front of the television, use of allergy remedies, for example

The Ministry of Health recommends that the baby be tested on all newborn babies when they are more than 2 days old. The examination is not compulsory throughout the country and, therefore, many hospitals do not perform it, and parents are responsible for this task. Parents wishing to take the exam should go to private clinics or pediatric ophthalmologists

Treatment for retinopathy of prematurity should be started as soon as possible after diagnosis of the problem and aims to prevent the development of blindness, which is caused by detachment of the retina inside the eye. However, even with the diagnosis of retinopathy, in some cases, it is only important to keep regular evaluations in the ophthalmologist because the risk of the disease is low

The most frequent symptom of myopia is the blurry vision of objects that are far away, which makes it difficult to see the bus sign or road signs more than one meter away, for example. However, other symptoms of myopia may also include: Blurred vision from far, but good up close; Dizziness, headache or pain in the eyes; Close your eyes to see better; Excessive tearing; Need for greater concentration on activities, such as driving; Difficulty in being in spaces with lots of light

The stye is an infection or inflammation of the glands that produce fat on the eyelids, around the eyelashes, but is not contagious, and therefore does not pass to other people and does not affect the other eye. This infection is usually caused by bacteria that already live on our skin, such as staphylococci, and not by picking up from another person

Contact lenses consist of a safe alternative to wearing prescription glasses, provided they are used under medical advice and following cleaning and care rules to avoid infection or other vision problems. When compared to prescription goggles, contact lenses have advantages because they do not become blurry, they do not weigh or slip and are more comfortable for those who practice physical activity, but their use may increase the risk of conjunctivitis, red and dry eyes or ulcers in the cornea, for example

To treat the tendon in the infant or child, a warm compress should be placed on the eye 3 to 4 times a day to relieve pain and swelling. Generally, the stye in the child heals alone after about 8 days, so it is not necessary to use antibiotic ointments to treat the problem. However, if the symptoms do not improve after 1 week it is recommended to consult your pediatrician to start the appropriate treatment

Scleritis is cured, especially if treatment is started early in the illness. To treat, medications such as antibiotics or immunosuppressants may be used, and in some cases surgery may also be necessary. Scleritis is a serious disease that causes inflammation of the sclera, the thin layer of tissue that covers the white part of the eye

Contact lenses are an alternative to grade glasses, however as their use leads to the emergence of many doubts as it involves putting something directly in contact with the eye. Contact lenses have advantages when compared to grade glasses because they do not break, do not weigh, or slip on the face, and are especially appreciated by those who do not like wearing glasses or play sports

Sunglasses are essential to protect vision on sunny days avoiding the development of eye diseases, giving greater visual comfort. Even babies and children should wear sunglasses when outdoors, however they must be of quality. UVA rays are the ones that most affect the earth's surface and so are essential in good sunglasses

Corneal transplantation, the transparent membrane that lines the eye, is a surgery to replace the cornea with a healthy one that allows good vision. The surgery is performed in the SUS and it is not always necessary to remove the stitches from the surgery, which are not visible. In the postoperative period of corneal transplantation, the individual will have a dressing on the eye that should only be removed by the physician 2 days after the procedure

Headache, dry and red eyes and blurred vision are the symptoms of computer vision syndrome. The syndrome is caused by poor eye lubrication, due to the fact that individuals blink less, and also to close-up effort when working on the computer for hours at a time. These symptoms also appear in individuals who spend a lot of time in front of the television or any other type of electronic screen

The use of cheap sunglasses does not always impair vision because almost all types of glasses, even those without a known brand, that are sold in clothing stores, for example, have effective protection against the ultraviolet rays that burn the eyes, just as with the skin. However, sunglasses that are excessively cheap, such as those sold on street vendors, are very low quality and therefore in most cases have very low or no UVA and UVB protection, which most affects vision than when nothing is used

The symptoms of presbyopia, popularly known as a tired eye, usually appear from the age of 40 because of the eye's difficulty in focusing on objects closer to the eye and include: Blurred vision at or near normal reading distance; Difficulty reading small print closely; Tendency to hold the reading material further to read; Headaches; Tiredness in the eyes; Burning eyes when trying to read; Sensation of heavy eyelids

Retinoblastoma is a rare type of cancer that occurs in one or both of the baby's eyes, but which, when it is identified early, is easily treated without leaving any sequelae. That way, all babies should have the eyesight test done right after birth to see if there is any change in the eye that could be a sign of this problem

Color blindness, scientifically known as achromatopsia, is a retinal disorder that causes symptoms such as decreased vision, excessive sensitivity to light, and difficulty seeing colors. Unlike color blindness, in which the person can not distinguish some colors, the achromatopsia can totally prevent from observing other colors besides black, white and some shades of gray

When diabetes is not adequately controlled, with care in food or with the intake of drugs prescribed by the endocrinologist, blood sugar levels can be elevated for a long time, causing progressive damage to the retina and blood vessels of the eyes, leading to blurred vision, difficulty seeing, and, in more advanced cases, blindness

To remove the speck in the eye should be washed with plenty of running water or saline, avoiding rubbing the eye. A small speckle in the eye is always a very uncomfortable problem because there are many nerve endings in the eye and therefore a small speck appears to be a large foreign body inside the eyeball