What are the eye muscles? Six eye muscles move the human eye in all directions. There are four straight eye muscles and two oblique eye muscles. Straight eye muscles The four straight eye muscles are flat, thin muscles about one centimeter wide. They pull from the upper, lower, middle, and outer walls of the orbit … Eye muscles: Function & structure
The petrous bone is a bone and is part of the human skull. It is located at the base of the skull and is part of the temporal bone (Os temporale). In its pyramid-like basic shape lies the inner ear with the organ of equilibrium and the cochlea. Of clinical importance for the petrous bone … Petrous Bone: Structure, Function & Diseases
Intracranial pressure is colloquially known as intracranial pressure. It plays an important role in blood flow and brain function. What is intracranial pressure? Intracranial pressure is colloquially referred to as intracranial pressure. It plays an important role in blood flow and brain function. In English, intracranial pressure is known as intracranial pressure or ICP for … Intracranial Pressure: Function, Role & Diseases
The border cord is a concatenation of nerve cell body clusters that is part of the sympathetic nervous system. The individual portions of the border cord send sympathetic nerves to the neck, chest, sacrum, and abdomen. Like all other nerve branches, border cord-associated nerve branches may be affected by paralysis. What is the border cord? … Boundary Cord: Structure, Function & Diseases
Strabology studies all types and effects of strabismus, a misalignment of both eyes relative to each other resulting from disturbances in the balance of the eye muscles. It is a special discipline of ophthalmology and includes prevention, diagnosis as well as therapy of strabismus. It is practiced in eye clinics and most ophthalmologists’ offices. What … Strabology: Treatment, Effects & Risks
Smooth muscle is a type of muscle located in numerous hollow human organs. It has the ability to work independently. What is smooth muscle? Smooth muscle is a type of muscle that, unlike striated muscle, cannot be controlled at will. It exerts influence on the shape and function of the internal organs. It forms the … Smooth Muscle: Structure, Function & Diseases
By the Troxler effect, medicine understands the local adaptation of the human eye. Light stimuli that remain permanently constant are perceived by the retina but do not reach the brain. In everyday life, the eye’s micromovements permanently shift the light on the retina to enable perception. What is the Troxler effect? With the Troxler effect, … Troxler Effect: Function, Tasks, Role & Diseases
The optic nerve is responsible for making it possible for people to recognize their environment. Thus, it is one of the most important parts of the eyes. At the same time, different diseases can limit the function of the optic nerve. What is the optic nerve? The optic nerve is made up of nerve fibers. … Optic Nerve: Structure, Function & Diseases
Synonyms Latin: Musculus levator palpebrae superiores Definition The upper eyelid lifter is a striated muscle which is counted among the mimic muscles and the outer eye muscles. The muscle originates inside the orbita, splits the lacrimal gland (Glandula lacrimalis) in two parts and finally moves to the upper eyelid, which is opened when contracted. A … Upper eyelid lift
Located in the midbrain, the pedunculi cerebri are composed of the cerebral peduncles (crura cerebri) and the midbrain cap (tegmentum mesencephali). Lesions in these areas can be associated with a variety of conditions, depending on which structures are affected. For example, Parkinson’s disease results from atrophy of the substantia nigra in the tegmentum and typically … Pedunculi Cerebri: Structure, Function & Diseases
Prismatic film finds application in an area of ophthalmology. What is a prismatic film? What types are there? What is their mode of operation and what are their benefits? That’s what we’re going to talk about here. What is a prismatic film? Prismatic films find application in a field of ophthalmology. A prismatic film is … Prismatic Film: Applications & Health Benefits
Prismatic glasses can be used to compensate for a particular form of refractive error called hidden or latent strabismus. “Hidden” is the name given to it because the visual deficit is not visible to other people. Health experts believe that about 80% of the population is affected by this limitation. However, it only causes problems … Prism Glasses: Applications & Health Benefits
