The ability to see well is a gift of fate, and not everyone today can boast a 100 percent visual acuity.Often happens, that deterioration of sight comes suddenly: letters before eyes blur, subjects bifurcate and so on. A man asks himself a question: how could this happen?Yes, it's very simple. Our life today hardly comes without a computer, a TV. Ecology is bad, food is mostly unhealthy.All this contributes to an increase in the number of users of contact optics. But many problems with visio...
A person perceives about 90% of the information visually, so you must constantly monitor the health of your eyes.If they start to overwork, you begin to feel dryness or burning sensation in their area, then it is worth going to an ophthalmologist.It is worth trying to minimize the burden on the eyes, not overworking them, and also periodically do warm-up with the help of special exercises.This will help keep the vision as long as possible. And to find out what it is at the moment, you can ma...
Disability in sight is one of the official categories of disability, which is established by medical and social expertise.To date, there are quite a few forms of vision pathologies that have varying degrees up to blindness. Based on this, criteria were developed for determining the group of vision impairment. Criteria are based on the degree of disruption of the normal functioning of the visual analyzer, which are determined by the International Classification of Diseases. Content 1Establ...
The eye is located in the orbit (orbit). The walls of the orbit are formed by facial and cranial bones. The visual apparatus consists of the eyeball, the optic nerve and a number of auxiliary organs (muscles, tear apparatus, eyelids). Muscles allow the eyeball to move. This is a pair of oblique muscles (upper and lower muscles) and four straight muscles (upper, lower, inner and outer). Content 1Eye as an organ 1.1Basic structures 1.2Optical system 2Age development of the eye and its ...
Verification of visual acuity is the main ophthalmological study, from which any diagnosis begins. Tables for testing can be found in each office of the ophthalmologist. And absolutely not in vain, since it is from the visual acuity that the person's ability to perceive the world as fully as possible can depend on it. For this, complex research or equipment is not needed. Content 1Why check 2Existing tables for verification 2.1Sivtsev's table 2.2The Snellen table 2.3Orlova's Table 2....
More than 80% of information about the world around the person perceives it through the organs of vision.The eye is a complex anatomical structure, even the smallest changes in which can lead to irreversible consequences. If you spend a lot of time at a computer, do not do preventive gymnastics and ignore the need for regular visits to an ophthalmologist, problems can not be avoided. Deterioration of visual function rarely occurs dramatically.While the changes are insignificant, we do not gi...
The human visual system consists not only of refractive media and means of processing incoming information, but, like any other body system, it has its own musculature.As early as XIX, American ophthalmologist Bates noted that with constant training of oculomotor muscles (their only 6 groups), you can achieve good results and, maybe not completely, but restore the visual function view. In this article, we will consider not only common visual deviations, but also get acquainted with practicin...
According to statistics, in the world about 285 million people suffer from visual impairment; of which 39 million are completely blind and 246 million have low vision. Many people begin to have vision problems since childhood. In this regard, a very important role is assigned to the implementation of preventive measures and the timely adoption of measures aimed at preventing undesirable consequences. 80% of all cases of visual impairment can be prevented or cured. Content 1Definition of v...
Verification of visual acuity is carried out according to special tables. This is included in the standard algorithm for diagnosis of vision. In most cases, the CIS countries use the Sivtsev table. This is a common but not the only way to diagnose it. Verification of visual acuity is needed not only when you are hiring or studying. Content 1Why check 2Existing tables for verification 2.1Sivtsev's table 2.2The Snellen table 2.3Orlova's Table 2.4Golovin's Table 3Which tables are che...
Verification of vision for color perception is compulsorily carried out when employing in some specialties. It allows you to identify various problems in a timely manner and take action. Tests for color blindness are carried out by hospitals, clinics, medical centers, if desired, a mini-test can be completed independently - using a special table (either conventional or online). During the diagnosis in the medical institution, the doctor shows the patient a special scheme containing letters, ...
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