As an optometrist, I often encounter patients who complain about various visual symptoms related to their use of digital devices. This condition is known as Computer Vision Syndrome (CVS), a…
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…
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…
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…
Retinoblastoma is a cancer of the eye that is usually diagnosed by the age of 6 years, with the majority of these cases seen by age 3 year. The disease…
Aspheric lenses have non-spherical shapes, and have a more complex front surface, such as ellips, parabola, hyberbola, as well as toric which resembles a section of the surface of a…
In a state of normal binocular single vision, there exists a precise physiological relationship between the corresponding points of the two retina. Thus, the foveae of two eyes act as…
The retinoscope consists of a light, a condensing lens that concentrates the light, and a mirror. During the procedure, our doctors use the retinoscope to shine light through the pupil, then…
Introduction - A spasm of accommodation (also known as a ciliary spasm, an accommodation, or accommodative spasm) is a condition in which the ciliary muscle of the eye remains in…