Eye exam is an important process that is meant to evaluate vision and check for any eye diseases that one may have. It is more of a preventive measure than it is curative. Various instruments are used in this process. The doctor may have to shine bright lights in the eyes during the assessment to see if there are any abnormalities. Patients also have to look through lenses and other instruments. When in need of Schedule Eye Exam Tulsa Oklahoma should be visited.

Eye exam helps in detecting eye diseases while they are in early stages. This makes it possible to have early treatment as well. It is usually easy and possible to treat most diseases while in their early stages. Fully developed diseases are usually difficult to treat. Having regular eye checkups allows one to have their eyes treated early in case of any diseases. This prevents loss of sight in case one has some serious conditions.

There are usually three main professionals who can perform eye exams. They include ophthalmologists, optometrists, and opticians. Which specialist one visits is a matter of personal preference, but it may also depend on the kind of condition one has. Ophthalmologists are the most trained of all the three specialists. Ophthalmologists can conduct complete eye exams, prescribe corrective lenses, diagnose and treat complex diseases, and perform eye surgery.

When one is visiting a specialist for the first time, they ought to expect to be asked various questions regarding their vision. The specialist will want to know both vision and medical history and also the eye tests and medication that the patient may be taking currently. People are here by encouraged to give genuine information to the specialists regarding their vision and medical history.

A number of eye exams can be conducted to patients. The most obvious exams include visual field testing, color vision testing, muscle test, retinal examination, refraction assessment, visual acuity test and slit lamp test. The aim of eye muscle test is to examine the muscles that control eye movement. During muscle test, one is made to look at a moving object as the doctor observes eye muscles.

Visual acuity test is intended to measure how clearly one can see. This process involves having a patient identify different letters of the alphabet on a chart. The Snellen chart is usually used. The chart is usually placed a given distance away from the patient and the letters are of different sizes. The process involves testing each eye separately

When light passes through the cornea and the lens in the eyes, it is bent in a process called refraction. When the light is refracted, it is focused on a particular spot on the retina before the light signals are sent to the brain for interpretation. In case the light does not focus well on the back of the eye, the condition is called a refractive error. Refractive error can be corrected using contact lenses, refractive surgery, or sunglasses.

Through the assessment of refractive error, the doctor is able to identify the most appropriate corrective glasses for the patient. Retinoscopy is the method used to conduct refractive assessment. Meanwhile, a phoropter can be used to provide prescription for the right corrective glasses to be used.