Clinical Optometry

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…

In emmetropic eye parallel rays of light coming from infinity refract & focus on the retina, when accommodation at rest. Accommodation: It is the unique ability of eye to focus…

The mechanism whereby the converging power of the eye is increased so that a distinct image is still retained is called ACCOMMODATION. (Ref: Duke-Elder & David Abrams) ACCOMMODATION refers to…

Aniseikonia is a condition where the ocular image of an object seen unequal in size and shape. That means actually, "not equal image" from two eyes. In most of patient…

In older optometric/ophthalmic textbooks, rules of thumb have been defined to correct aniseikonia, without actually testing for the amount of aniseikonia.  These rules are based on Knapp’s law, which deals…