If your vision is not clear, you may have visual problems such as myopia or hyperopia. Glasses can correct these problems and help you have a clear vision. An optometrist or ophthalmologist will do an eye exam to what type of lens is best for you. Depending on your vision problem, you may need to use bifocal or progressive lenses.
Glasses correct vision problems and can help you if you don't have a clear vision from a distance or nearby. Most vision problems are related to how light is focused on the back of the eye, called the retina.
The retina is located behind the eye, next to the optic nerve. The lenses in
the eye send the light to the retina, which converts it into signals sent to
the brain. This process creates the images we see.
Vision problems are a common
Although glasses cannot correct all vision
Presbyopia: The eye begins to lose its ability to focus on nearby objects. This ailment is an age-related problem.
Your doctor decides which type of glasses you should choose according to your eye disease.
Reading glasses are a type of single-vision lens.
If you have more than one vision problem, you may need multifocal lenses. These lenses have two or more vision corrective prescriptions. In such a case, the doctor and the patient decide together which lenses should be used. The options available in such a situation are:
Bifocals: This is the most common type of multifocal lens. This lens has two parts. The upper part of the lens helps to see distant objects clearly, while the lower part ensures that near objects are seen perfectly. Bifocals lenses can help people over the age of 40 with presbyopia who have a reduced ability to focus.
glasses are bifocal lenses with
Computer Glasses: These multifocal lenses are specially made for people who need to focus on their computer screens. Computer glasses prevent people from experiencing eye strain.
In the past, eyeglass lenses were made of glass. However,
most glasses today are made of plastic. Glass lenses are more resistant to
scratches. However, plastic lenses have more advantages than glas
When choosing lenses, the patient and the doctor decide together. The options offered to patients are as follows:
These lenses are extra resistant to impact. These lenses are ideal for active people. For example, it is one of the most suitable lens options for people who play sports or for children who drop their glasses.
These lenses are usually made of glass or plastic. These lenses transform from clear glass to tinted glass when exposed to sunlight. These lenses contain a tint that filters the blue light emitted from electronic screens. In this way, while the perception of color increases, the eyes are protected from bright light.
Unlike conventional lenses,
In order to use your glasses without any problems for a long time, you need to take good care of them. It is necessary to store your glasses in a clean, dry environment where they will not be damaged. Water and lint-free cloth should be used when cleaning the glasses.
An eye specialist will do an eye exam to determine what kind of glasses you need. A complete eye examination helps to detect eye diseases earlier and to treat them more easily. Eye specialists can be divided into two as follows:
A licensed optometrist performs eye exams and vision tests. They can prescribe prescription glasses and detect eye problems.
An ophthalmologist is a doctor who specializes in eye care. These people can perform surgery to correct eye problems.
The following checks are
In order to understand how well the person sees, the person is asked to read a chart from different distances. This test is evaluated out of 20 and if there is no visual defect, 20/20 vision expression is used.
People look at an eye chart with a device called a phoropter. Different lenses are available in these devices. The doctor doing the eye exam changes the lenses while the person looks at the eye chart and asks which lens provides the best vision. This eye exam helps the ophthalmologist determine an eyeglass prescription.
The ophthalmologist checks the health of the person's eyes with a bright light.
This test helps the ophthalmologist to detect ailments that the person was not aware of before.
It is a test that the ophthalmologist does to check the person's eye muscles and make sure that the eyes are in the correct alignment.
This test is done to detect glaucoma. The doctor performing this test sends air into the eye lightly and quickly.
With this test, doctors check whether there are any scars or scratches on the eyelids, cornea, lens and iris with a special microscope.
In this treatment, the doctor uses a retinal scanner to dilate the pupil. With this application, it is checked whether there is damage to the retina and optic nerve.
Eye examination should be done regularly every year. However, this number can be increased by the doctor according to the problems in the eye.
Usually, the prescription for glasses is ideal for
The cost of glasses varies depending on the type of lenses and the frame you choose. Insurance may cover part of the cost of glasses. For this reason, it is very important to find out what kind of policy you have by talking to your doctor and insurance company before buying glasses.
No posts found