| Anisocoria | Anisocoria means that the pupil in the right eye and left eye are not the same size. |
| Anterior Ischemic Optic Neuropathy | Most patients with AION notice a sudden disturbance in their vision. |
| Blepharospasm | Blepharospasm is a condition in which uncontrolled blinking, squeezing, and eyelid closure occur in both eyes. |
| Drusen | Drusen are yellow deposits under the retina. Patients usually have no symptoms and do not notice any problem with their vision. |
| Dry Eye Syndrome | Itching, burning, a scratchy sensation, a sensation that there is sand or grit in the eye, or intermittent blurring of the vision can all be symptoms of “dry eyes” |
| Hemifacial Spasm | The patient with Hemifacial spasm experiences involuntary contractions, called “spasms,” of the muscles on one side of the face. |
| Homonymous Hemianopia | Homonymous hemianopia refers to a condition in which a person can see only to one side, the left or right. |
| Microvascular Cranial Nerve Palsy | Microvascular cranial nerve palsy can cause weakness in one or more muscles. If the eyes aren't moving together the patient will experience blurred or double vision. |
| Migraine | A migraine is a very painful type of headache. During migraines, people may experience nausea and vomiting as well as light and sound sensitivity. |
| Multiple Sclerosis | Multiple sclerosis (MS) is a nervous system disease that affects the brain and spinal cord. |
| Myasthenia Gravis | The most common symptoms of Myasthenia gravis relate to weakness of the muscles that lift up the lid (ptosis) or move the eyes (double vision). |
| Optic Nerve Glioma | Optic nerve gliomas are tumors that grow in various parts of the brain. Symptoms may include: eyes may bulge outward; squinting; vision loss in one or both eyes. |
| Optic Neuritis | The most common symptom of optic neuritis is sudden decrease in vision (blurred vision, dark vision, dim vision or simply loss of vision in the center or part or all of the visual field.) |
| Pituitary Tumors | Patients with pituitary tumors often have no symptoms at all. Pituitary tumors may cause dim, dark, or blurred vision. |
| Pseudotumor Cerebri | The most common symptoms of pseudotumor cerebri are headache and visual loss. |
| Thyroid Orbitopathy | Patients with thyroid orbitopathy often notice blurred or double vision. |
