Ace The Ophthalmology Exam

The lateral geniculate nucleus (LGN) belongs to the category of sensory projection nuclei of the thalamus and plays an essential role in norma ...

Conjunctivitis is a common cause of eye redness and subsequently a common complaint in the emergency department, urgent care, and primary care clin ...

Herpes simplex virus type 1 (HSV-1) is a member of the Alphaherpesviridae subfamily. Its structure is composed of linear dsDNA, an icosahedral caps ...

The supratrochlear nerve block is a special procedure, which can be utilized to relieve pain in the mid-forehead region. It can provide anesthesia ...

Optic atrophy is a pathological term referring to optic nerve shrinkage caused by the degeneration of retinal ganglion cell (RGC) axons. The term & ...

The ophthalmic artery is the first branch of the internal carotid artery. It comes off just distal to the cavernous sinus. The ophthalmic artery gi ...

Hemifacial spasm (HFS) is a disorder characterized by paroxysmal, involuntary twitching of facial muscles of one side of face innervated by ipsilat ...

The Amsler Grid is a square-shaped grid used to detect or monitor metamorphopsia or scotoma involving the central visual field in various disorders ...

Keratoconus (KC) is one of the most prevalent corneal ectatic disorders characterized by progressive, non-inflammatory changes in stromal collagen ...

Sarcoidosis is a multisystem disorder of unknown etiology that mostly affect young adults worldwide and presents with noncaseating granulomas in va ...

The human retina is the most metabolically expensive tissue in the human body. Processing visual input in the retina requires high quantities of ar ...

In 1865, Iwanoff described an epiretinal membrane (ERM) as the proliferation of cellular tissue on the surface of the retina along the inner limiti ...

Ivabradine is FDA-approved in the United States for use in patients with symptoms due to stable heart failure and an ejection f ...

The optic tract is a bundle of nerve fibers that serves to carry visual information from the optic chiasm to the left and right lateral geniculate ...

Keratoconus (KCN) is a progressive bilateral corneal ectatic disorder.  It manifests as characteristic cone-like steepening of the cornea asso ...

The ophthalmic artery being the first intradural branch of the carotid artery reflects the perfusion status of the vessel.

Lipemia retinalis (LR) is a retinal manifestation of chylomicronemia (hypertriglyceridemia). Ophthalmoscopic features are creamy-white discolo ...

Optic nerve sheath decompression, more commonly known as optic nerve sheath fenestration (ONSF), is a surgical procedure performed to decompress th ...