Eye Test

Eye test refers to various measurements made to evaluate the patient's general eye health and to check the presence of any eye diseases in the patient. With the help of different tools and devices, the ophthalmologist determines the sensitivity of the eyes to light, letters and shapes in certain directions and distances.

These tests are frequently used to diagnose refractive errors such as myopia, hyperopia and astigmatism, as well as diseases such as macular degeneration and color blindness. .

Eye test applications can reveal many eye diseases. Early diagnosis of eye disorders and various diseases for treatment is possible with many tests performed after the main complaints of the patients.

His family's health Eye test results performed by people with a history of vision problems are kept in the patient's archive. Thus, these results can be used to predict whether a vision problem that may occur in the future will trigger other problems.

Some eye test applications used to detect various eye diseases and vision defects are as follows:

Visual acuity measurement, visual field measurement, duochrome test, color blindness test, Amsler grind are various tests performed before laser and intraocular lens applications.

Visual Acuity Test

Visual Field Test

Color Blindness Test

They are cones in the retina layer that provide color perception. There are various congenital deficiencies in color perception in these cells, and an inherited color blindness disease is observed. It is possible to reveal this situation by many different methods. Many eye tests such as Ishihara, Farnsworth, Munsell D-15, Farnsworth Lantern tests, color blindness. The Isihara test used to Detection of color blindness is a widely used method.

The Ishihara method was first designed by Dr. Shinobu Ishihara in color on card prints and was applied in a room under optimum daylight conditions. This test, which can be applied in a room with ideal lighting, is based on the patient correctly interpreting the shapes and numbers he sees. If a deficiency in the perception of colors and shapes is detected, that is, if there are findings that the person is color blind, different tests may be applied.< /p>

Although this eye test does not replace an official test, it can give an idea about the person's perception of colors. If various tests related to color blindness are performed by a doctor, a more accurate diagnosis becomes possible. .

Amsler Grid Test

Eye test Amsler Grind, although not a standard eye examination, helps detect different vision problems affecting the visual center. It is beneficial for people over the age of 40 to apply this method. The application method of Amsler grind is as follows:

• Put on any glasses or contact lenses you use.
• Fix the Amsler grid template on a flat surface and move to the exact opposite angle.
< li>After covering one eye with your hand, focus on the middle point of the shape.
• It is important at this point whether you can see all four corners of the large square in the diagram.
• This process should be repeated separately for both sides. .

If you cannot see every corner during the procedure and you experience fluctuations and breaks in the lines, this may indicate a problem in your visual center. This eye test can only be used to diagnose any disease under the supervision of a doctor.

Duochrome Test

This eye test is used in people with color blindness. The patient is asked to compare the clarity of the letters on the green and red sides. It is used to detect chromatic aberrations rather than separating colors.

The person should first close his right eye and be told whether one of the circles he sees is darker. Then, the left side should be closed and attention should be paid to whether one of the circles appears darker.

If, after both sides are closed, it is possible to answer that neither of the circles is darker, this may mean that there is no problem in seeing the result.

Eye Laser Surgery