Saccade: Function, Tasks, Role & Diseases

Human eyes are constantly in motion. In this process, the eyeballs turn consciously or unconsciously in different directions and perceive different objects arbitrarily or involuntarily. This happens through the reception of all visual stimuli by both eyes, which as a functional unit make three-dimensional vision possible. A distinction is made between vergence movements and conjugate … Saccade: Function, Tasks, Role & Diseases

Macular Edema

Definition – Macular Edema Macular edema is an accumulation of fluid in the area of the macula. The macula is also called the “yellow spot” and is the area of sharpest vision on the retina of the human eye. It is in the macula that the density of sensory receptors that enable vision is at … Macular Edema

Pupil

Synonyms in a broader sense visual hole Definition The pupil forms the black center of the colored iris. It is through this iris that light enters the eye and travels to the retina, where it leads to the signal transduction that is responsible for the creation of a visual impression. The pupil is variable in … Pupil

Pupillary Reflex | Pupil

Pupillary Reflex The adaptation of the pupil to the prevailing light situation is achieved by the so-called pupillary reflex. A distinction is made between the part that receives the information about the exposure and transmits it to the central nervous system (afference) and the part that, after processing this information, leads to the activation of … Pupillary Reflex | Pupil

Glass body

Synonyms in a broader sense Medical: Corpus vitreum Definition The vitreous body is a part of the eye. It fills a large part of the posterior chamber of the eye and is primarily responsible for maintaining the shape of the eyeball (bulbus oculi). Changes to the vitreous body can lead to visual disturbances in the … Glass body