Cone-Rod Dystrophy
Genetic phenomenon- congenital hereditary. Incidence of the disease 1:40,000 births. The retina is the part of the eye that catches the light. It consists of two types of receptors, which are the cells that correspond to light and convert the image into electrical images that pass to the brain. There are 2 types of receptors: […]
Adm.
Written by: Prof. Kent Kazlo, Professional Director of the Elia Association, Developmental Optometrist. Global Background Adrenals is a hereditary congenital disease, characterized by a complete or partial lack of pigment (a colored substance called melanin) that appears in the skin, hair and eyes. There are two main types of whiteness; Ocular abinism (absence of pigment […]
Common visual system and visual impairments
Visual system concepts and definitions
Prof. Kent Caszlo, Professional Director of the Israel ALE. Eye structure Cornea cornea Transparent dome-like structure First and outer layer of the eye Transmits flares from the object into the eye Iris iris Located behind the corneal and in front of the lens. Gives the characteristic color of the eye At the center of it […]
Amblyopia Lazy Eye
definition: A lazy eye is a visual impairment characterized by a decrease in the quality of vision of one eye, when there is no active disease (if there was a disease it has already been treated) and without the ability to improve the quality of vision with glasses. In order to see, cooperation between the […]
Nistagmus (israel)
definition: Nistagmus (jittery eyes) is a nugget characterized by involuntary movements of the eyes – from side to side, from top to bottom or in rotations. Nistagmus usually appears in both eyes, but sometimes only one eye may be damaged. The main reason for nystagmus is a decrease in vision in early childhood for various […]
Cataracts (poor) from birth
definition: Cataracts (poor) are visually impaired, in which the lens of the eye is murky, while in normal condition it is transparent and won. The lens is located behind the iris, and its function is to focus the rays of light on the retina. The retina is an inner layer located at the back of […]
Cortical visual impairment
definition: Cortical visual impairment is a neurological impairment, and the damage is cerebral rather than ocular. It is a temporary or permanent condition that is caused by damage to the nerve transmission to the visual center, causing difficulties and inconsistencies in the processing, processing and decoding of visual information. The degree of neurological injury depends […]
