Adults and children must’ve their eyesight checked after every two years or if they feel certain visionary distortion however, only after consulting the optometrist. The details provided here would guide you to many different eye tests a specialist may perform during eye examination. In addition to detailed examination of the eye, few or more of the tests as listed below may be preferred;
The applanation tonometry method
An ophthalmologist in Abu Dhabi may refer applanation tonometry as this particular eye test helps in diagnosing glaucoma. This is done through measurement of the pressure amount required to compress portion of the cornea. The test is performed by placing dye/peroxide in the eye through a thin and dipped paper strip.
The dye then stains front of the eye allowing the specialist to perform a thorough and better eye examination. Patient is usually given local anaesthetic drops whereas the pressure is measured using a tonometer either attached to a slit lamp or hand held technique.
Corneal & retinal topography
These are computerised tests to create a topography or map of the cornea’s curvature or retinal surface. While the test isn’t necessary during a routine eye check-up, anomalies such as swelling, scarring or maybe astigmatism require the tests as prescribed by an ophthalmologist in Abu Dhabi.
The corneal topography test is performed to evaluate patients before they undergo refractive surgery, corneal transplants and fitting of the contact lenses. Retinal topography test is conducted on patients suffering from serious retinal anomalies that require immediate attention.
The eye test to evaluate circulation of the blood in the retina is known as the fluorescein angiogram. It’s useful in the diagnosis of retinal detachment and diabetic retinopathy. During the test, a special dye known as fluorescein is vaccinated into a vein in the arm which quickly circulates to the blood vessels inside the eye.
On reaching the eye, a camera equipped with special filters is used for imaging the highlighted fluorescein as it flows through the blood vessel. It enables the doctors to diagnose any circulation issues or interior swelling, leaking or abnormal blood veins.
Pupillary dilation test
During this test, an ophthalmologist in Dubai places special drops in the eye causing the pupil to expand/dilate. Dilating the pupil allow thorough examination of the retina for clear symptoms of a disease or vision anomaly.
Prescription of the eye glass is determined through this test. The patient sits almost six metres away from a chart or a mirror bearing alpha-numerical digits. Patient has to read them while looking through a special instrument known as phoropter.
Lenses of varying strengths are placed in front of the eye as the patient reads to determine the appropriate prescription. The eye test also identifies certain vision anomalies such as presbyopia, myopia, hyperopia and astigmatism.
A microscope shines a beam of light into the eye, the shape of a small slit. An ophthalmologist in Abu Dhabi may also dilate in between the eye examination. The eye test helps in diagnosing retinal detachment, macular degeneration, cataracts, presbyopia or corneal injuries.
A list of different eye tests and examinations is given above that’s crucial in identification of vision based anomalies.