Sir, Carotid-ophthalmic artery aneurysms are a rare but
... ophthalmic department of Good Hope Hospital with a 3 week history of pain, redness and blurred vision affecting the left eye. There was no significant past ophthalmic history. Best corrected visual acuity was 6/5 and 6/4 in the right and left eyes respectively. There was no relative afferent pupilla ...
... ophthalmic department of Good Hope Hospital with a 3 week history of pain, redness and blurred vision affecting the left eye. There was no significant past ophthalmic history. Best corrected visual acuity was 6/5 and 6/4 in the right and left eyes respectively. There was no relative afferent pupilla ...
Acute visual loss
... Acute optic neuropathies Diagnosis: Acute visual loss or visual field loss RAPD (must be present) Normal examination or abnormal nerve only ...
... Acute optic neuropathies Diagnosis: Acute visual loss or visual field loss RAPD (must be present) Normal examination or abnormal nerve only ...
Non-Arteritic Anterior Ischemic Optic Neuropathy and Factor V Leiden
... is characterized by painless monocular visual loss, altitudinal visual fields defects and afferent pupillary defect (or Marcus Gunn pupil), associated with optic disc swelling of a pallid nature, sometimes with flame hemorrhages on the swollen disc. Association of NAION with cardiovascular risk fact ...
... is characterized by painless monocular visual loss, altitudinal visual fields defects and afferent pupillary defect (or Marcus Gunn pupil), associated with optic disc swelling of a pallid nature, sometimes with flame hemorrhages on the swollen disc. Association of NAION with cardiovascular risk fact ...
Cyst within the parenchyma of the optic chiasm
... and was eventually admitted to the Regional Neurosurgical Centre where he was fully investigated. Lumbar cerebrospinal fluid showed a clear, colourless fluid with i6 mg/ioo ml protein. Chest x-ray was normal. Plain x-ray of the abdomen showed no renal calculi. Skull x-ray was normal, although the do ...
... and was eventually admitted to the Regional Neurosurgical Centre where he was fully investigated. Lumbar cerebrospinal fluid showed a clear, colourless fluid with i6 mg/ioo ml protein. Chest x-ray was normal. Plain x-ray of the abdomen showed no renal calculi. Skull x-ray was normal, although the do ...
Annelise Mah - Glaucoma
... • Juvenile and adult-onset: autosomal dominant • Multifactorial inheritance • Known genetic causes: • GLC1A: MYOC, 1q24-25 • GLC3B: 1p36 • GLC3A: CYP1B1, 2p21 • GLC1C: 3q21-24 • GLC1M: 5q22.1-32 • GLC1F: 7q35-36 • GLC1J: 9q22 • GLC1E: OPTN, 10p13 • GLC1K: 20p12 ...
... • Juvenile and adult-onset: autosomal dominant • Multifactorial inheritance • Known genetic causes: • GLC1A: MYOC, 1q24-25 • GLC3B: 1p36 • GLC3A: CYP1B1, 2p21 • GLC1C: 3q21-24 • GLC1M: 5q22.1-32 • GLC1F: 7q35-36 • GLC1J: 9q22 • GLC1E: OPTN, 10p13 • GLC1K: 20p12 ...
Tsui, E
... optic disc. They are usually asymptomatic but can be complicated by maculopathy that can lead to progressive vision loss. Maculopathy in the form of a serous detachment occurs in 25-75% of patients with an optic disc pit and usually when it is located temporally. X-linked juvenile retinoschisis (XLR ...
... optic disc. They are usually asymptomatic but can be complicated by maculopathy that can lead to progressive vision loss. Maculopathy in the form of a serous detachment occurs in 25-75% of patients with an optic disc pit and usually when it is located temporally. X-linked juvenile retinoschisis (XLR ...
Clinical Neuroanatomy: The Optic Nerve
... amount light falling on the unaffected eye. Direct light reaction (LR) will be absent but the consensual LR from opposite eye will be intact. In III nerve lesions damage to efferent pupilloconstrictor fibers will produce fixed dilated pupil, even though patient perceives light normally. A sympat ...
... amount light falling on the unaffected eye. Direct light reaction (LR) will be absent but the consensual LR from opposite eye will be intact. In III nerve lesions damage to efferent pupilloconstrictor fibers will produce fixed dilated pupil, even though patient perceives light normally. A sympat ...
Head trauma with contralateral traumatic optic neuropathy
... Indirect traumatic optic neuropathy occurs in closed head trauma with a reported incidence varying from 0.5 to 5%. The neuropathy is typically seen on the same side as the blunt trauma.[1] We present a case of traumatic optic neuropathy involving the contralateral orbit, with a continuous fracture l ...
... Indirect traumatic optic neuropathy occurs in closed head trauma with a reported incidence varying from 0.5 to 5%. The neuropathy is typically seen on the same side as the blunt trauma.[1] We present a case of traumatic optic neuropathy involving the contralateral orbit, with a continuous fracture l ...
Ocular Jeopardy
... Working in optometry gives us a world of opportunity in patient care. Ocular Jeopardy is an opportunity to learn and share in an interactive environment. This is a fun way to gain ‘insight’ into the ocular system, functions, and corrective options. ...
... Working in optometry gives us a world of opportunity in patient care. Ocular Jeopardy is an opportunity to learn and share in an interactive environment. This is a fun way to gain ‘insight’ into the ocular system, functions, and corrective options. ...
1._Embryology,_Anatomy_&_Function_of_the_Eye
... very little during the first year of life, but a rapid increase in palpebral fissure length occurs during the first decade. causing the round infant eye to acquire an elliptical adult shape. ...
... very little during the first year of life, but a rapid increase in palpebral fissure length occurs during the first decade. causing the round infant eye to acquire an elliptical adult shape. ...
Word version of this scenario
... Last updated on 23 Jul 2015 at 5:22 PM (Oph04) Sudden painless loss of vision A 74 year old South African male presents with sudden painless loss of vision in his right eye. This occurred shortly after waking. He has no associated symptoms and no past ocular history of note. His medical history incl ...
... Last updated on 23 Jul 2015 at 5:22 PM (Oph04) Sudden painless loss of vision A 74 year old South African male presents with sudden painless loss of vision in his right eye. This occurred shortly after waking. He has no associated symptoms and no past ocular history of note. His medical history incl ...
Vision Pass the NBCOT Farsightedness, or hyperopia, as it is
... Glaucoma is a term describing a group of ocular disorders with multi-factorial etiology united by a clinically characteristic intraocular pressure-associated optic neuropathy.[1] This can permanently damage vision in the affected eye(s) and lead to blindness if left untreated. It is normally associa ...
... Glaucoma is a term describing a group of ocular disorders with multi-factorial etiology united by a clinically characteristic intraocular pressure-associated optic neuropathy.[1] This can permanently damage vision in the affected eye(s) and lead to blindness if left untreated. It is normally associa ...
Special Senses: Vision
... Choroid – dark internal layer of eye; keeps light from scattering in eye, keeps inside of eye dark. ...
... Choroid – dark internal layer of eye; keeps light from scattering in eye, keeps inside of eye dark. ...
Problem 24 – Visual Disturbance
... If loss of vision is sudden and painless: Ischaemic optic neuropathy – Optic nerve is damaged through blockage of ciliary arteries (inflammation/atheroma) Giant cell arteritis – the ophthalmic artery is involved, can affect one or both eyes. If one eye, the other eye is at risk until steroids are g ...
... If loss of vision is sudden and painless: Ischaemic optic neuropathy – Optic nerve is damaged through blockage of ciliary arteries (inflammation/atheroma) Giant cell arteritis – the ophthalmic artery is involved, can affect one or both eyes. If one eye, the other eye is at risk until steroids are g ...
BIOL 116T
... 3. dark current - constant stream of Na+ into photoreceptor cell a. light --> rhodopsin bleaching, blocks dark current b. light stimulation may be breaking down cGMP which causes Na+ channels to close ---> stops glutamic acid secretion by rod cell c. glutamic acid stimulates or inhibits bipolar cell ...
... 3. dark current - constant stream of Na+ into photoreceptor cell a. light --> rhodopsin bleaching, blocks dark current b. light stimulation may be breaking down cGMP which causes Na+ channels to close ---> stops glutamic acid secretion by rod cell c. glutamic acid stimulates or inhibits bipolar cell ...
Zachary Roth
... extensive field loss, while a complete lesion results in an RAPD present in the eye with temporal field loss. This is due to the fact that the nasal retinas is more extensive than the temporal retina and there are more crossed than uncrossed fibers with the proportion of decussating and non-decussat ...
... extensive field loss, while a complete lesion results in an RAPD present in the eye with temporal field loss. This is due to the fact that the nasal retinas is more extensive than the temporal retina and there are more crossed than uncrossed fibers with the proportion of decussating and non-decussat ...
Optic Nerve Hypoplasia
... Optic Nerve Hypoplasia is the underdevelopment of the optic nerve during pregnancy. The majority of the time Optic Nerve Hypoplasia is bilateral. It is congenital, stable and not genetic. With Optic Nerve Hypoplasia photophobia and a nystagmus may occur. As the brain matures there may be a mild impr ...
... Optic Nerve Hypoplasia is the underdevelopment of the optic nerve during pregnancy. The majority of the time Optic Nerve Hypoplasia is bilateral. It is congenital, stable and not genetic. With Optic Nerve Hypoplasia photophobia and a nystagmus may occur. As the brain matures there may be a mild impr ...
Schedule III, IV, and V Oral Medications: A Louisiana Optometrists
... This course will provide an overview of the terminology necessary to manage patients with neoplastic disease, will discuss primary eye cancers, and will analyze metastatic disease to the eye and brain as well as the newest treatments available. COPE # 33072-GO ...
... This course will provide an overview of the terminology necessary to manage patients with neoplastic disease, will discuss primary eye cancers, and will analyze metastatic disease to the eye and brain as well as the newest treatments available. COPE # 33072-GO ...
Acute Visual Loss
... Central/ branch retinal artery occlusion Central/ branch retinal vein occlusion ...
... Central/ branch retinal artery occlusion Central/ branch retinal vein occlusion ...
Tran, C
... a. Optic nerve transection: One cause of TON includes endoscopic sinus surgery leading to damage of the optic nerve b. Orbital hemorrhage: TON can also be caused by hemorrhaging within the orbit, likely to be caused by retrobulbar injections during ophthalmic procedures c. Optic nerve avulsion d. Op ...
... a. Optic nerve transection: One cause of TON includes endoscopic sinus surgery leading to damage of the optic nerve b. Orbital hemorrhage: TON can also be caused by hemorrhaging within the orbit, likely to be caused by retrobulbar injections during ophthalmic procedures c. Optic nerve avulsion d. Op ...
Glaucoma - Norman Salmoni Opticians
... If it is damaged then this process is not carried out. A loss of the visual field results depending on the size, extent and place of the damage on the optic nerve. ...
... If it is damaged then this process is not carried out. A loss of the visual field results depending on the size, extent and place of the damage on the optic nerve. ...
Optic nerve and visual pathway
... Mutual crossing is known as optic chiasm Nasal fibers mix with uncrossed temporal sector to form optic tract ...
... Mutual crossing is known as optic chiasm Nasal fibers mix with uncrossed temporal sector to form optic tract ...
