What is Lucentis, and how does it work? Generic drug: ranibizumab Brand name: Lucentis Lucentis (ranibizumab) Injection is a monoclonal antibody that works by slowing the growth of abnormal new blood vessels in the eye and decreasing leakage from these blood vessels used to treat the wet form of age-related macular degeneration. It is also used to...
What is Eylea (aflibercept) and how is it used? Eylea is a prescription medication for retinal diseases, which is administered by injection into the eye. Eylea is a vascular endothelial growth factor (VEGF) inhibitor indicated for the treatment of: Neovascular (Wet) Age-Related Macular Degeneration (AMD) Macular Edema Following Retinal Vein Occlusion (RVO) Diabetic Macular Edema...
What is atropine, and how does it work (mechanism of action)? Atropine occurs naturally and is extracted from belladonna alkaloids contained in plants. Atropine blocks the action of acetylcholine, a neurotransmitter that causes the contraction of two types of muscle, smooth and cardiac muscles. It also has other neurological effects. Ophthalmic atropine is used during...
What is brimonidine, and how does it work (mechanism of action)? Brimonidine is is an ophthalmic solution used for the treatment of one type of glaucoma, open-angle glaucoma. In this type of glaucoma, too much fluid (aqueous humor) is made within the eye and causes high pressures within the eye. The pressure damages the nerves...
What is eye twitching? The twitching or spasms are usually very mild and feel like a gentle tug or flickering of the eyelid. An eye/eyelid twitch (myokymia), is an involuntary, repeated spasm of the eyelid muscle. It can occur in the upper or lower lids. It is usually harmless and resolves without any treatment. What...
The individuals suffering from astigmatism must be extra cautious while considering LASIK surgery. The individuals suffering from astigmatism must be extra cautious while considering LASIK surgery. Since the surgery involves manipulation and restructuring of the cornea, LASIK and similar procedures can sometimes worsen astigmatism. However, with advances in technology and precision instruments in ophthalmology, most...
Why you should see a neuro-ophthalmologist These doctors are specialists with expertise in problems of the eye, brain, nerves, and muscles. Neuro-ophthalmologists are doctors who treat visual problems that are usually related to the nervous system. These doctors or physicians are specialists with expertise in problems of the eye, brain, nerves, and muscles. A patient...
What are aberrations of the eye? Aberrations of vision are apparent on a wavefront aberrometry test. When light hits the interior surface of our eye (retina), the light-sensitive receptors turn this light into electrical signals. These signals travel to the brain through the nerve (optic nerve). Then, the brain converts these signals into the images...
It is a short procedure, performed under local anesthesia, and on an out-patient basis. Neodymium-doped yttrium aluminum garnet (Nd:YAG) laser capsulotomy is a relatively non-invasive procedure that is used in the treatment of posterior capsular opacification in the eye. The procedure is performed by an ophthalmologist (eye surgeon). It is a short procedure, performed under...
Optic nerve sheath meningioma is a nonaggressive and slow-growing tumor in the eye. Optic nerve sheath meningioma (ONSM) is a nonaggressive and slow-growing tumor in the eye. They usually grow over the layer that covers the optic nerve in the eye. Meningiomas are the most common tumors diagnosed inside the skull. Due to their slow-growing...