Vision 2024, November

Resolving power of the eye: concept, formula, norm

Resolving power of the eye: concept, formula, norm

The human eye is an optical device that is highly sensitive to changes in lighting. An important characteristic of a human optical instrument is the resolving power of the eye. Dots are perceived differently when they hit different sensitive receptors

Medical frames: brands, selection rules

Medical frames: brands, selection rules

Medical frames should be not only beautiful, but also comfortable. At the same time, it does not matter at all whether they are an element of decor or a necessity. Therefore, people who have significant vision problems should pay attention to these two parameters. The accessory shows the taste of the owner, gives integrity to the image and emphasizes facial features

Carl Zeiss contact lenses and eyeglass lenses

Carl Zeiss contact lenses and eyeglass lenses

Carl Zeiss is a German company. It has been operating for a very long time and is known for its rich history. It was founded by Carl Zeiss, a specialist in high-precision mechanics, in 1846. Initially, this company produced microscopes

Progressive eyeglass lenses: what is it, types, benefits and reviews

Progressive eyeglass lenses: what is it, types, benefits and reviews

There are many options for vision correction. These include glasses, contact lenses, and surgery. If a person has myopia, he can safely use the first, second, and third option. But things are not so simple with presbyopia. This anomaly is a deterioration in vision at close distances, mainly occurs with age. Today, people suffering from farsightedness can come to the aid of progressive lenses

Types and types of contact lenses

Types and types of contact lenses

Modern room lenses help maintain visual acuity and provide comfort. Their types are divided depending on the material of manufacture, replacement period, wearing mode and other factors. Thanks to such a large classification, everyone can choose for themselves the most optimal option in terms of quality and price. And to make the choice easier, we suggest that you familiarize yourself with what contact lenses are (types and types) in more detail

Does the eye grow throughout a person's life?

Does the eye grow throughout a person's life?

The human body is amazing - each organ clearly performs the function assigned to it, and the whole system is debugged and can work continuously for many years. There are organs that grow throughout life, and there are those that do not change throughout life or these changes are insignificant. The nose and ears of people grow throughout life, the bones of the feet and hands too. Spongy bones are constantly increasing in size, and tubular - only up to a certain age. Does the human eye grow?

Classification of cataracts by etiology, by localization, by degree of maturity. Cataract: causes, symptoms, treatment and prevention

Classification of cataracts by etiology, by localization, by degree of maturity. Cataract: causes, symptoms, treatment and prevention

The most dangerous disease in ophthalmology is cataract. According to statistics, in every 6 people on the planet over 40 years old, it is precisely this that causes blindness. But what is this disease? What is the cause of its development, what is the classification of cataracts among doctors?

Emergency care for penetrating eye injury

Emergency care for penetrating eye injury

Principle of first aid for penetrating eye injury. What is the danger of the situation and what complications are possible? The main types of injuries and their causes. What is forbidden to do when providing assistance?

Warm and cold light: what is the difference, which one is better for the eyes, lamp markings and features of choice

Warm and cold light: what is the difference, which one is better for the eyes, lamp markings and features of choice

How best to choose the light depending on the functionality of the room? Natural warm and cold lighting and its effect on the emotional mood of a person. What should you pay attention to when choosing a light bulb?

Nuclear cataract: symptoms, causes, treatment and prevention

Nuclear cataract: symptoms, causes, treatment and prevention

Clinical picture of nuclear cataract and its causes. What are the stages of development of malaise and what is their main danger? Therapeutic and preventive measures that are important to follow

Exercises for strabismus: list, step by step instructions and results

Exercises for strabismus: list, step by step instructions and results

It is very unpleasant and shocking to realize that your own child is among the people who suffer from a pathological defect - strabismus. Many doctors who are treated with such a problem are immediately advised to go under the knife. Of course, like a small child, an adult is not comfortable with such a thought. What if we do not go to extremes, but show a little patience and try to correct the situation without surgery?

Optical device - an invention that changed humanity

Optical device - an invention that changed humanity

There are a huge number of optical instruments for a variety of purposes: binoculars, telescopes, glasses and cameras. All of them have the same principle of operation, based on the transformation of the image due to the lenses

Spectacle lenses: types, choices, recommendations

Spectacle lenses: types, choices, recommendations

Gone are the days when a person with poor eyesight could only count on plastic-framed glasses with thick glass and heavy lenses

How to get rid of myopia: advice from an optometrist

How to get rid of myopia: advice from an optometrist

How to get rid of myopia? What kind of ailment is this? This article provides answers to these and other questions. Myopia (myopia) is an eye disease in which an individual sees objects that are close, but poorly distinguishes those that are far away (they seem blurry, fuzzy). How to get rid of myopia?

Biotrue Oneday: Owner Reviews, Everyday Comfort and Lens Quality

Biotrue Oneday: Owner Reviews, Everyday Comfort and Lens Quality

Biotrue Oneday are modern contact lenses designed for daily wear in all conditions. Let's take a look at the main features of the product, as well as some reviews left by those who prefer to use them

Asthenopia of the eyes: causes, symptoms, early diagnosis, treatment methods, prevention

Asthenopia of the eyes: causes, symptoms, early diagnosis, treatment methods, prevention

Treatment of asthenopia is quite long-term and should be approached in a comprehensive manner. The therapy is quite easy and painless for the patient. What kind of treatment is needed should be determined depending on the existing form of asthenopia

Functions of the lens. Human eye: structure

Functions of the lens. Human eye: structure

The eye lens plays an important role in the operation of the human vision system, various injuries and violations of its work often lead to irreparable consequences. The slightest sign of visual impairment or discomfort in the eye area is a reason for an immediate visit to a doctor who will diagnose and prescribe the necessary treatment

The best ophthalmologists in Penza: a list with addresses and qualifications

The best ophthalmologists in Penza: a list with addresses and qualifications

When choosing an ophthalmologist in Penza, you should be very careful. Trying to cure such an important and fragile organ as the eyes, it is especially important to find a specialist who will not harm. The list of the best ophthalmologists in Penza presented in this article will help you make the right choice

Cold eye: symptoms, treatment with drugs and folk remedies

Cold eye: symptoms, treatment with drugs and folk remedies

From people with signs of inflammation of the mucous membrane, you can often hear that they have a cold in the eye. Contrary to popular belief, this condition is dangerous. If a person believes that he has a cold eye, he needs to contact an ophthalmologist as soon as possible. This is especially true for individuals with severe clinical manifestations. This is due to the fact that often a viral or bacterial infection joins the common cold

Is it possible to change eye color: methods and recommendations

Is it possible to change eye color: methods and recommendations

Many people prefer to experiment with appearance and create unusual images. It is common to change the shape of the eyebrows, make-up, hair color and eyelash length. At the same time, not everyone knows whether it is possible to change the color of the eyes. There are several effective ways to do this, as described in the article

Artificial intraocular lens: types, manufacturers, reviews

Artificial intraocular lens: types, manufacturers, reviews

An intraocular lens (abbreviated IOL) is an optical device that is inserted into the eye in the area of the lens. Surgery is performed in the presence of a cataract

Why one eye is watery in an adult: causes, methods for solving the problem and advice from doctors

Why one eye is watery in an adult: causes, methods for solving the problem and advice from doctors

In some cases, people get watery in one eye. In an adult, such a symptom may appear for various reasons. It is about them that detailed information is in the article. You can also learn how to solve a similar problem

Eye drops "Betoftan": instructions, indications for use, composition, analogues

Eye drops "Betoftan": instructions, indications for use, composition, analogues

Adrenoblockers are used for glaucoma. Betoftan eye drops are one of the effective ones. The instruction indicates that with regular use they lower intraocular pressure. The rules for using the tool are described in the article

Why a person can have a white pupil

Why a person can have a white pupil

In a normal state, blood circulates in a certain way in the retina. That is why the pupils take on the shade familiar to all of us. However, if for some reason blood flow is difficult, or neoplasms occur in the path of light, the eyes become whitish

Eye drops "Isotin": reviews of doctors, composition and instructions for use

Eye drops "Isotin": reviews of doctors, composition and instructions for use

"Isotin" - an ophthalmic remedy that can effectively eliminate vision problems. The drug belongs to Indian medicine - Ayurveda. Ordinary people leave positive feedback about Isotin eye drops. The opinion of the medical community is mixed. Understanding who is right will help "acquaintance" with the drug

Swelling of the eyelid in one eye: causes, treatment and prevention

Swelling of the eyelid in one eye: causes, treatment and prevention

The most common cause of swollen eyelids is an inflammatory process or excess fluid in the tissue surrounding the eye. In people, this symptom is called quite simply. When it occurs, it is said that a person has swollen eyes, although this refers to precisely the tissues that surround him

Eye exercises according to Zhdanov: technique, results

Eye exercises according to Zhdanov: technique, results

There is a technique that helps improve vision in a simple and affordable way. It was created by Professor V. G. Zhdanov. It is based on the method of W. Bates and Shichko and includes massage, gymnastics and psychological correction. Exercises for Zhdanov's eyes must be performed in combination with all other parts of the technique. If you approach it responsibly, you can improve your eyesight

Eye drops "Hypromellose": indications for use, instructions, reviews

Eye drops "Hypromellose": indications for use, instructions, reviews

In what cases can I use Hypromellose eye drops and how to do it correctly? Everything you need to know about the drug: indications and contraindications, side effects, properties, composition and form of release, price, analogues, user reviews

White dot in the eye: causes of formation and methods of treatment. Ophthalmic diseases

White dot in the eye: causes of formation and methods of treatment. Ophthalmic diseases

Why did a white dot appear in the eye and how to get rid of it? Everything you need to know about pathology: other manifestations, diagnostic methods, the most common causes, treatment methods and prevention rules

Violation of binocular vision in adults and children: causes, symptoms, diagnosis and treatment

Violation of binocular vision in adults and children: causes, symptoms, diagnosis and treatment

Binocular (stereoscopic) vision allows us to see the surrounding objects in volume. Thanks to this function, a person is able to correctly estimate the distance between objects. With various pathologies of the eyes and the central nervous system, binocular vision disorders may occur. How do such diseases manifest themselves? And can binocular disorders be cured? We will answer these questions in the article

Eye drops "Mezaton": composition, indications, instructions for use, contraindications, side effects

Eye drops "Mezaton": composition, indications, instructions for use, contraindications, side effects

Eye drops "Mezaton" is a common sympathomimetic agent that is used in the treatment of various diseases, as well as in some ophthalmic procedures. For example, during postoperative examination and examinations. This is a fairly strong remedy, so it is not recommended to use it without a doctor's prescription, be sure to read the instructions first

Frequent eye blinking in a child: causes and treatment

Frequent eye blinking in a child: causes and treatment

Blinking the eyes is a reflex contraction of the eyelids that everyone has. This is carried out regardless of the desire of a person from birth and is considered natural. Normally, within a minute, the child makes no more than 20 blinking movements, moisturizing the mucous membrane of the eye, eliminating dust. But sometimes their frequency rises. The causes and treatment of frequent eye blinking in children are described in the article

Angular conjunctivitis: description of symptoms with photos, causes, treatment and prevention

Angular conjunctivitis: description of symptoms with photos, causes, treatment and prevention

Angular conjunctivitis is an inflammation of the mucous membrane of the eyes, provoked by pathogenic microflora. Visually, this disease can be determined by its localization - in the corners of the palpebral fissures. Usually the pathology is chronic and is accompanied by regular periods of exacerbations. Having suffered this form of conjunctivitis once, the body does not produce specific immune cells, so a recurrence of the disease is not excluded

How to use contact lenses: selection options, wearing rules and care

How to use contact lenses: selection options, wearing rules and care

Today, people who do not want to wear glasses have a great alternative. Contact lenses can replace this traditional optical device. They correct any degree of visual defects such as farsightedness, nearsightedness, and astigmatism. However, it can be quite difficult for people to stop wearing glasses. Meanwhile, according to doctors, contact lenses make it possible to correct vision much better

Rinse eyes with chamomile: application features, effectiveness, reviews

Rinse eyes with chamomile: application features, effectiveness, reviews

Chamomile decoction has healing, anti-inflammatory properties. Therefore, it is safe to wash your eyes with such an infusion. To make it, you need to pour inflorescences with hot water and let them cool. Side effects are extremely rare. You can wash your eyes with chamomile and children, regardless of age. For example, with inflammation of the organs of vision, you can make compresses from chamomile infusion. But in this case, you should not completely abandon pharmacy drops

How to choose the right reading glasses: selection options

How to choose the right reading glasses: selection options

Currently, there are practically no people who do not have vision problems, even minor ones. Any disorders associated with the organs of vision are expressed by the corresponding symptoms that you should pay attention to and consult an ophthalmologist who knows how to choose glasses for reading and working at a computer. They are selected individually, after an examination and a clear diagnosis, based on a prescription

Chorioretinitis of the eye: symptoms, causes, treatment and prevention

Chorioretinitis of the eye: symptoms, causes, treatment and prevention

Chorioretinitis of the eye is an inflammatory process that affects the posterior sections of the vascular membranes of the eyeball. Pathology can also spread to the retina. This disease greatly reduces the rate of circulatory processes

Eye mite in humans: first signs, symptoms, diagnosis and treatment

Eye mite in humans: first signs, symptoms, diagnosis and treatment

The human eye mite infects the upper and lower eyelids, eyebrows and eyelashes. Reproduction of parasites occurs in dead skin cells, hair follicles and sebaceous glands. What causes the disease. What are his symptoms. How is diagnosis and treatment carried out? Can you permanently get rid of eye mites?

The child's eye is red and festering: causes, treatment and advice from doctors

The child's eye is red and festering: causes, treatment and advice from doctors

Currently, infectious pathologies are quite widespread. They may be accompanied by various symptoms, but the reason for their occurrence, as a rule, is the non-compliance with the rules of personal hygiene. If the child's eye is red and festering, parents should respond to the symptom as soon as possible, as sometimes it can be a sign of a dangerous disease

Extended eyelashes and lenses: features of the procedure, safety when sticking to the eyes and rules for wearing lenses

Extended eyelashes and lenses: features of the procedure, safety when sticking to the eyes and rules for wearing lenses

The desire to look beautiful leads girls to specialists in various areas of the beauty industry, including eyelash extension masters. This procedure is able to provide lush long eyelashes for a long time, which no longer require coloring and additional tricks for twisting. But is it possible to do such a procedure, if at the same time it is impossible to leave the house without lenses?