KERATOMETRY
Ophthalmometer or so called keratometer is a ophthalmic diagnostic instrument that measuring the curvature of the anterior surface of the cornea it’s an objective method .it was invented by the…
Ophthalmometer or so called keratometer is a ophthalmic diagnostic instrument that measuring the curvature of the anterior surface of the cornea it’s an objective method .it was invented by the…
Jackson cross cylinder is a single low power lens, which is a combination of a plus cylinder and a minus cylinder of equal power with axis perpendicular to each other,…
It is a useful orthoptics tool specifically for the diagnosing the subjective and objective angles of squint. This is the instrument that performs a comprehensive assessment of binocular vision by…
In pharmacology, a pharmaceutical drug, also called a medication or medicine, is a chemical substance used to treat, cure, prevent or diagnose a disease or to promote well- being. …
Funduscopic examination is a routine part of every doctor’s examination of the eye, not just the ophthalmologist’s. It consists exclusively of inspection. One looks through the ophthalmoscope which is simply…
Aqueous humour is a clear, watery fluid that fills the anterior and posterior chambers of the eye. It is produced by the ciliary processes of the ciliary body, a structure…
Optical Coherence Tomography is a non invasive imaging test. OCT uses light waves to take cross section pictures of the retina. With OCT, an optometrists can see each of the…
Lensometry is an ophthalmic procedure that helps a clinician to either to assess the: Spherical power. Cylinder power. Cylinder axis. Optical center. Prism reference point. Adds in bi-, tri- and…
The eyes are a window to the soul, and they can also provide important clues to the presence of systemic infections. Many infections can cause ocular manifestations, which are changes…
In optics, a thin lens is a lens with a thickness (distance along the optical axis between the two surfaces of the lens) that is negligible compared to the radii…