Optic Atrophy Treatment & Management
- Author: Rashmin Gandhi, MBBS, FRCS(Edin), FRCS(Glasg); Chief Editor: Hampton Roy Sr, MD more...
Medical Care
No proven treatment exists for optic atrophy. However, treatment that is initiated before the development of optic atrophy can be helpful in saving useful vision. The role of intravenous steroids is proven in a case of optic neuritis or arteritic anterior ischemic optic neuropathy. Early diagnosis and prompt treatment can help patients with compressive and toxic neuropathies.
Idebenone, a quinone analog, has been used recently in a few cases of Leber hereditary optic neuropathy to ameliorate the net ATP synthesis by providing an alternate pathway, as well as by scavenging free radicals, with the advantage of concentrating readily in the mitochondria. The results were modest.
Stem cell treatment can hold a key in the future treatment of neuronal disorders. Neural progenitor cells delivered to the vitreous can integrate into the ganglion cell layer of the retina, turn on neurofilament genes, and migrate into the host optic nerve.
At present, the best defense is an early diagnosis because if the cause can be found and corrected, further damage can be prevented.
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| Postneuritis | Ischemic Arteritic | Ischemic Nonarteritic | Compressive | |
| Age | 15-50 y | Approximately 70 y | Sixth decade | Varies based on cause |
| Sex | Multiple sclerosis F>M | F>M | F=M | Varies based on cause |
| Visual acuity | Varies from mild blurring (34%) and moderate loss of acuity (12%) to severe or total loss of light perception (complete blindness) in 54% of cases, to no light perception. The loss of vision is acute and progressive.--Vision usually recovers within 2 mo | < 20/200 (6/60) | >20/200 (6/60) | Varies from mild blurring to no light perception |
| Color vision | Color vision > vision loss | Color vision loss = vision loss | Color vision loss = vision loss | Color vision = vision loss |
| RAPD* | + | + | + | + |
| Motility | Painful movement in cases of retrobulbar neuritis | Normal | Normal | Depends on the site of compression |
| Nystagmus | In multiple sclerosis, beating nystagmus (upbeating or downbeating) may be seen | No | No | See-saw nystagmus in optic chiasm compression |
| Optic disc | Temporal pallor | Pallid disc edema | Segmental disc edema | Bow-tie pallor seen in optic chiasm compression; varies in other instances |
| Electrophysiologic study | VEP-increased latency <†> | VEP-reduced amplitude | VEP-reduced amplitude | Reduced VEP amplitude |
| Neuroimaging (CT, MRI) | In multiple sclerosis, hyperechoic lesions are seen in the brain on MRI | - | - | Can delineate the exact location of compression |
| Other associations | Headache, scalp tenderness, jaw claudication | Hypertension and diabetes | Headache, vomiting, and focal neurologic deficits | |
| *RAPD - Relative afferent pupil defect <†>VEP - Visual-evoked potential | ||||

