The first test for glaucoma is Tonometry, which is used to measure the pressure in your eyes. The doctor may sometimes use a yellow dye cum numbing agent for this purpose. The slit lamp and tonometer are used to perform tonometry. The test takes just a few seconds.

OCT in a non-invasive imaging test which examines the optic nerve.

This test is used to check blind spots inside the eye. These spots or stromas in the side-vision (peripheral vision) originate due to glaucoma. These spots can also help to understand areas of brain damage.Analysis of blind spots also may help identify specific areas of brain damage caused by a stroke or tumor. Perimetry is the systemic measurement of visual field function.

Gonioscopy is done to evaluate the internal drainage system of the eye, also referred to as the anterior chamber angle. The examination of this angle helps the doctor to determine the blockage in the flow of the aqueous fluid. Blockage leads to increase in eye-pressure which causes damage to the optic nerve, giving rise to glaucoma. Gonioscopy is done with the help of the split lamp.

Pachymeter is a medical device used to measure the thickness of the cornea.

Visual Acuity Test measures the sharpness of your vision. It uses an eye chart to measure how well you can read a series of letters. Your eyes are tested one at a time; one is kept open to read, while the other eye is covered. Using a chart or a viewing device with progressively smaller letters, your doctor will determine if you have 6/6 vision or if your vision shows signs of impairment.

A slit lamp is a binocular microscope which examines the structures of your eye under high magnification. It allows your eye doctor to see the structures at the front of your eye under magnification. The microscope is called a slit lamp because it uses an intense line of light, a slit, to illuminate your cornea, iris, lens, and the space between your iris and cornea. The slit allows your doctor to view these structures in small sections, which makes it easier to detect any tiny abnormalities. This helps doctor to detect clouding in the natural lens of your eye.

To prepare for a retinal exam, your eye doctor puts drops in your eyes to open your pupils wide (dilate). This makes it easier to examine the back of your eyes (retina). Using a slit lamp doctor will examine your lens for signs of a cataract.

IOL Master uses a scanning device to determine the required power for the intraocular lens to be implanted. It is a laser system which evaluates the length of the eye, surface curvature and anterior chamber depth for accuracy.

Visual Acuity Test measures the sharpness of your vision. It uses an eye chart to measure how well you can read a series of letters. Your eyes are tested one at a time, one is kept open to read, while the other eye is covered. Using a chart or a viewing device with progressively smaller letters, your eye doctor determines signs of vision impairment.

If the doctor finds it necessary, an examination called LVCA- Low Contrast vision Acuity Test and a test called FACT are also performed.

Refraction test uses several options of lenses in both eyes to determine the lens power you need. We also use an autorefractor or aberrometer to automatically estimate the eyeglass prescription. An aberrometer uses advanced wavefront technology to detect even obscure vision errors based on the way light travels through your eye.  

Keratometry (K) is the measurement of the corneal curvature; corneal curvature determines the power of the cornea. Differences in power across the cornea (opposite meridians) results in astigmatism; therefore, keratometry measures astigmatism.Astigmatism is one of the conditions which is corrected by Lasik treatment.

A slit lamp is a binocular microscope which examines the structures of your eye under high magnification. It allows your eye doctor to see the structures at the front of your eye under magnification. The microscope is called a slit lamp because it uses an intense line of light, a slit, to illuminate your cornea, iris, lens, and the space between your iris and cornea. The slit allows your doctor to view these structures in small sections, which makes it easier to detect any tiny abnormalities.

The size of your pupils (pupillary measurements) is a very important eligibility criterea for Lasik and Presbyond surgeries. You cannot be eligible for lasik if the size of your pupils is large.

This test investigates the volume and quality of the tear film and health of the front eye. It documents the functions of eyelids, eyelashes, sclera, episclera, palpebral conjunctiva, tear ducts, tear glands etc. It uses slit lamp in conjunction with anterior eye imaging.

Pachymeter is a medical device used to measure the thickness of the cornea.

Doctors put drops to dilate the pupils. It takes about half an hour for the pupils to get substantially dilated. The doctors then use various instruments to check inside your eye. A dilated eye exam allows your doctor to examine your retina.

Corneal topography is a computer assisted diagnostic tool that creates a three-dimensional map of the surface curvature of the cornea. The greatest advantage of corneal topography is its ability to detect irregular conditions invisible to most conventional testing. For laser vision correction, the corneal topography map is used in conjunction with other tests to determine exactly how much corneal tissue will be removed to correct vision and with what ablation pattern.

The Pentacam Comprehensive Eye Scanner is a rotating camera that photographs both the anterior (front) and posterior (back) surfaces and other areas of the cornea (the front part of the eye). The Pentacam Scanner’s main advantage is that it provides more precise measurements of the central cornea than any other ocular measurement instrument currently available.

If the doctor finds it necessary he/she may undertake testing for glaucoma before surgery. Refer to Glaucoma Tests for details.

Visual Acuity Test measures the sharpness of your vision. It uses an eye chart to measure how well you can read a series of letters. Your eyes are tested one at a time; one is kept open to read, while the other eye is covered. Using a chart or a viewing device with progressively smaller letters, your eye doctor determines signs of vision impairment.

Tonometer is used to measure the pressure in your eyes. The doctor may sometimes use a yellow dye cum numbing agent for this purpose. The slit lamp and tonometer are used to perform tonometry. The test takes just a few seconds. Doctor checks for signs of glaucoma with this test.

Check if pupil opens and closes properly in the presence or absence of light.

To check if eyes are able to fixate on and follow a light as it moves.

Cards that are blank on one side with stripes on the other side are used to attract the gaze of an infant to the stripes.

LEA symbols are used for young children. These are like regular eye tests but have special symbols like apple, house, square and circle etc. in place of letters.

A light is focused into the eye to observe the reflection from the back of the eye (retina). This test helps to determine the child's eyeglass prescription.

Special patterns of dots and 3-D glasses are used to measure how well the child's eyes work together as a team.

This test examines the 3D perception of sight. Circular patterns are presented to the child. He/she has to identify the circles which are closest to him/her.

The doctor checks for lazy eye problem, alignment of eyes and focusing ability.

This screening test checks the colour vision . A test called the Ishihara test is used to check colour blindness.

A slit lamp is a binocular microscope which examines the structures of your child's eye under high magnification. It allows the doctor to see the structures at the front of your eye under magnification. The microscope is called a slit lamp because it uses an intense line of light, a slit, to illuminate the cornea, iris, lens, and the space between your iris and cornea. The slit allows your doctor to view these structures in small sections, which makes it easier to detect any tiny abnormalities.