Best corrected vision is one of the most important tests of the visual system in order to determine if there are any disease processes starting or already present in the eye such as a ‘lazy eye’.
Refraction is a complex process that involves the use of the phoropter to determine the best corrective lenses to be prescribed based on the examiners skill and the patients responses.
In order to properly test for cataracts, macular degeneration, glaucoma and retinal detachment Dr. Varshney will dilate your pupils. This allows her to see all the way to the back of your eye, including any changes that may indicate early signs of disease. Early diagnosis allows for early treatment.
Biomicroscopy is the examination of the various tissues of the eye with a special magnified microscope that allows a stereoscopic detailed view of the eye. It is used in the examination of the lids, lashes, conjunctiva, cornea, iris, lens, macula, retina, and optic nerve. This in depth view facilitates anatomical diagnoses to be made for a variety of eye conditions such as cataracts, glaucoma and macular degeneration.
Amsler Grid Test
The Amsler Grid is a simple visual exam used to test for macular degeneration, during which the patient will be asked to focus on a dot in the centre of a square grid of horizontal and vertical lines. People with normal vision should be able to view the grid clearly, but those with macular degeneration may have a distorted view of the grid. (Link to an Amsler Grid)
Tonometry was once believed to be one of the most important tests in diagnosing glaucoma. The pressure inside of your eye (intraocular pressure) is measured using tonometry. There are two different techniques that Varshney Optometry has available to measure intraocular pressures: non-contact tonometry in which a puff of air gently touches the cornea and the other is contact tonometry in which a probe with the use of anaesthetic touches the cornea measuring the pressure of the eye.
Pachymetry is used the measure central corneal thickness. Pachymetry is important in determining the predictability of glaucoma and is also very useful in determining the candidacy of patients considering lasik laser eye surgery. Varshney Optometry includes this test as part of the full eye exam on patients having their eye pressures measured.
Binocular Indirect Ophthalmoscope
A Binocular Indirect ophthalmoscope is a special stereoscopic microscope that when used with pupil dilation allows the peripheral retina to be examined. It aids in detecting retinal detachments and diabetic retinopathy.