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Convergence insufficiencyis a sensory and neuromuscular anomaly of the binocular visionsystem, characterized by a reduced ability of the eyesto turn towards each other, or sustain convergence. Symptoms. [edit] The symptoms and signs associated with convergence insufficiency are related to prolonged, visually demanding, near-centered tasks. They ...
Oculomotor apraxia. Oculomotor apraxia ( OMA) is the absence or defect of controlled, voluntary, and purposeful eye movement. [1] It was first described in 1952 by the American ophthalmologist David Glendenning Cogan. [2] People with this condition have difficulty moving their eyes horizontally and moving them quickly.
Cortical visual impairment. Cortical visual impairment (CVI) is a form of visual impairment that is caused by a brain problem rather than an eye problem. (The latter is sometimes termed "ocular visual impairment" when discussed in contrast to cortical visual impairment.) Some people have both CVI and a form of ocular visual impairment.
Visual or vision impairment ( VI or VIP) is the partial or total inability of visual perception. In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment – visual impairment may cause the individual difficulties with normal daily tasks including reading and walking. [6]
Light from a single point of a distant object and light from a single point of a near object being brought to a focus. The accommodation reflex (or accommodation-convergence reflex) is a reflex action of the eye, in response to focusing on a near object, then looking at a distant object (and vice versa), comprising coordinated changes in vergence, lens shape (accommodation) and pupil size.
That’s just a way of saying that symptoms can persist after the concussion. Long-term side effects can include cognitive symptoms like problems with attention, thinking, memory, and speed; as ...
In ophthalmology, accommodative excess (also known as excessive accommodation or accommodation excess) occurs when an individual uses more than normal accommodation (focusing on close objects) for performing certain near work. Accommodative excess has traditionally been defined as accommodation that is persistently higher than expected for the ...
Falling behind on mortgage payments. Late to pay credit card bills. A declining credit score. Years before people are diagnosed with dementia, they often begin facing these financial problems, new ...