LIGHT
Light is a form of energy whose interaction with retina gives the sensation of sight. Thus, light is the visible portion of the electromagnetic radiation spectrum. It lies between ultraviolet…
Light is a form of energy whose interaction with retina gives the sensation of sight. Thus, light is the visible portion of the electromagnetic radiation spectrum. It lies between ultraviolet…
Presbyopia is derived from the Greek word "presby" and "ops" meaning old-age sight. Presbyopia is age related loss of ability to sustain accommodation necessary for clear near vision or presbyopia…
Introduction: The word "Presbyopia" comes from Greek language which means "Elderly Vision". The Greek word presbys means " old man" and ops means "Eye". The disease was well known to…
ABSTRACT : Presbyopia is the age-related inevitable deterioration of the near vision which is experienced in over 80% of people aged 38-40 years and above. It is also known as…
In general the accommodation start for adjustment system of eye while viewing near and distance object. In case of spasm of accommodation means unable to do the accommodation properly. When…
In ophthalmology, the term excessive accommodation is used to describe a situation in which an individual exerts more than the normal required accommodation (focusing on near object) for performing a…
Paralysis is loss or impairment of motor function in a part due to a lesion of the neural or muscular mechanism; also, by analogy, impairment of sensory function (sensory paralysis).…
We noticed in our surrounding many people when doing the near work. they are too bend rubbing of eye. Squize the eye, if are you asked them, why are they…
As we know that in an emmetropic eye, parallel rays of light coming from infinity are brought to focus on the retina, with Accommodation at rest. Our eyes have been…
The essential factor in accommodation is a contraction of ciliary muscle, convergence and the contraction of pupil. This associated action is called synkinesis. The convergence and accommodation are closely related…