Periodic eye and vision examinations are an important part of preventive health care. Many eye and vision problems have no obvious signs or symptoms. As a result, individuals are often unaware that problems exist. Early diagnosis and treatment of eye and vision problems are important for maintaining good vision and eye health, and when possible, preventing vision loss.
A comprehensive adult eye and vision examination may include, but is not limited to, the following tests. Individual patient signs and symptoms, along with the professional judgment of the doctor, may significantly influence the testing done.
We diagnose and treat many eye problems, including eye injuries, glaucoma, diabetic eye diseases, eye infections, macular degeneration and other retinal problems and dry eyes.
Neuro ophthalmology is the sub-speciality of ophthalmology that deals with diseases related to the optic nerve and the brain. Some common diseases that a neuro-ophthalmologist may see include optic neuritis (inflammation of the optic nerve), optic neuropathy, papilledema (optic disc edema), ocular myasthenia gravis, brain tumors affecting vision, idiopathic intracranial hypertension or pseudo tumor cerebri, unexplained visual loss, headaches and double vision. At Centre for Sight, we are equipped with the latest electrophysiology machines (VER, ERG, and multifocal ERG) to diagnose and monitor these complex disorders.
A visual field test is an eye examination that can detect dysfunction in central and peripheral vision which may be caused by various medical conditions such as glaucoma, stroke, brain tumours or other neurological deficits. Visual field testing can be performed clinically by keeping the subject's gaze fixed while presenting objects at various places within their visual field. Simple manual equipment can be used such as in the tangent screen test or the Amsler grid. When dedicated machinery is used it is called a perimeter.
Nd:YAG lasers are used in ophthalmology to correct posterior capsular opacification, a condition that may occur after cataract surgery, and for peripheral iridotomy in patients with acute angle-closure glaucoma, where it has superseded surgical iridectomy. Frequency-doubled Nd:YAG lasers (wavelength 532 nm) are used for pan-retinal photocoagulation in patients with diabetic retinopathy.
Nd:YAG lasers emitting light at 1064 nm have been the most widely used laser for laser-induced thermotherapy, in which benign or malignant lesions in various organs are ablated by the beam.
A contact lens, or simply contact, is a thin lens placed directly on the surface of the eye. Contact lenses are considered medical devices and can be worn to correct vision, or for cosmetic or therapeutic reasons.
A prerequisite to performing safe and precise laser refractive surgery is the ability to accurately measure the shape, thickness and contour of the cornea both pre and postoperatively. Bajaj Eye Care Centre continues to lead the way by introducing state-of-the-art micro-imaging technology to the Pacific Northwest in the form of the Pentacam. As the regional leader in laser vision correction, Bajaj Eye Care Centre is one of the few centers in India that provide patients with the advantages of the advanced Pentacam system.
The Pentacam images the anterior segment of the eye by a rotating Scheimpflug camera measurement. This rotating process supplies pictures in three dimensions. The center of the cornea, which is most critical for refractive surgery planning, is measured very precisely because of this rotational imaging process. The measurement process lasts less than two seconds and minute eye movements are captured and corrected simultaneously. As a result of the short imaging time and 3-D image stitching it is possible to measure 25,000 true elevation points precisely and reproducibly.
Optical coherence tomography (OCT) is a non-invasive imaging test that uses light waves to take cross-section pictures of your retina, the light-sensitive tissue lining the back of the eye.
With OCT, each of the retina’s distinctive layers can be seen, allowing your ophthalmologist to map and measure their thickness. These measurements help with early detection, diagnosis and treatment guidance for retinal diseases and conditions, including age-related macular degeneration and, diabetic eye disease, among others.
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