In patients with CRAO
, an eye exam show profoundly decreased visual acuity, and the swinging light test (see "Use this mnemonic to ensure a comprehensive eye exam" on page 348) will reveal a relative afferent pupillary defect (RAPD).
is a very rare clinical presentation in younger ages and a thorough systemic investigation is required to determine the underlying cause (10).
Paracentesis should be attempted along with other modes of treatment of CRAO
Various therapeutic modalities in the treatment of CRAO
described in the medical literature include systemic anticoagulation, (3) systemic venous thrombolysis, (4,5) catheter-guided intra-arterial fibrinolysis, (3) ocular massage (2,3) and reduction of intraocular pressure.
There are some risk factors for CRAO
including systemic vascular diseases, hypercoagulable states, myeloproliferative disorders, cardiac valvular and collagen vascular diseases, endarteritis, glaucoma, and some drugs like oral contraceptives.
In a CRAO
, patients experience painless vision loss occurring over several seconds.
results in abrupt and massive visual loss, with visual outcomes of 6/60 or lower.