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Headache
Published in Anthony N. Nicholson, The Neurosciences and the Practice of Aviation Medicine, 2017
An attack of cluster headache generally lasts about 45 minutes, with the pain being felt in or around one or other eye. The pain is intense and will characteristically wake the patient from sleep. When awake, patients can rarely sit or lie still, preferring to pace around the room or press on their forehead. Some patients will describe an urge to hit their heads against the wall or on the floor to try to relieve the pain. Associated with the pain, the nose will feel congested and the patient may be aware of watering of the eye. The eyelid on the affected side may become oedematous and there may be a partial ptosis. An attack is therefore easy to distinguish from common migraine – the patient with a cluster headache appears agitated and restless in contrast with the patient with typical migraine who usually looks pale and lies quietly in a darkened room.
Organochlorine Compounds
Published in Fina P. Kaloyanova, Mostafa A. El Batawi, Human Toxicology of Pesticides, 2019
Fina P. Kaloyanova, Mostafa A. El Batawi
Onifer and Wisnant also described an intoxication due to inhalatory exposure of DDT and lindane during 3 to 5 months.147 The effect on the nervous system was characterized by the following symptoms: cerebral ataxia, paraesthesia, impaired motor coordination, areflexia of the extremities, weakness, nystagmus, and ptosis. All symptoms were reversible.
Open source modular ptosis crutch for the treatment of myasthenia gravis
Published in Expert Review of Medical Devices, 2018
Trust Saidi, Sudesh Sivarasu, Tania S. Douglas
A ptosis crutch is a plastic-coated stainless steel wire mounted or soldered onto a spectacle frame to elevate the eyelids of the patient [69,70]. It is used as an external device attached to the patient’s eyeglass frame to mechanically hold the eyelid open [71]. The device is meant to overcome the adverse visual effects of ptosis, usually in cases deemed unsuitable for medical or surgical treatment [72]. Fitting the ptosis crutch is a simple procedure as it is the same as for regular spectacles in that a frame appropriate for the patient’s facial features or structure is selected [71]. It is possible to make a custom fit ptosis crutch for each patient with the goal of creating a gentle mechanical lift of the eyelid(s) without downward or posterior pressure on the globe [73]. Ptosis crutches have the advantages of being effective, cost-efficient, and noninvasive [8]. Despite the seemingly straightforward application, the use of ptosis crutches by MG patients presents challenges. For example, the crutch can prevent the eye from fully closing, causing ocular surface drying and frequent irritation of the eyes due to decreased normal blinking [68,71]. In addition, patients using crutch glasses often experience discomfort with the forced opening of the eye and watering owing to the pressure of the wire loop on the upper lid [74].
The effect of visually significant dermatochalasis and blepharoptosis on driving safety
Published in Traffic Injury Prevention, 2021
Suzanne W. van Landingham, Katherine M. Lucarelli, Kyle McDaniel, Cat N. Burkat, Mark J. Lucarelli
Eyelid ptosis and dermatochalasis (droopy eyelids) can cause a superior visual field impairment, which is reversable with surgery (ptosis repair or blepharoplasty). Difficulty with driving is a common complaint among patients presenting for droopy eyelid evaluation, and is commonly used to support surgical intervention as medically necessary. In fact, many insurers, including Medicare, specify that self-reported functional limitations such as difficulty with driving are required to justify coverage of droopy eyelid surgery, in addition to demonstrating a superior visual field defect that resolves with eyelid elevation.