Night blindness is a condition that can be present from birth, or caused by a disease, injury or even a vitamin deficiency. Retinitis Pigmentosa – a genetic condition in which the pigmented cells in the retina break down causing a loss of peripheral vision and night blindness.
Blindness refers to difficulty seeing at night or in poor or dim lighting situations. The main indication of night blindness is difficulty seeing well in dark or dim lighting, especially when transitioning from a brighter to a lower light environment, like walking from outside into a dimly lit room. Many experience difficulty driving at night, […]
They cause no permanent visual or brain damage and do not require treatment.Still, always consult your eye doctor when you have unusual vision symptoms, because it’s possible that you have another condition requiring treatment, such as a detached retina, which should be checked out immediately
Typically you will see a small, enlarging blind spot (scotoma) in your central vision with bright, flickering lights (scintillations) or a shimmering zig-zag line (metamorphopsia) inside the blind spot. The blind spot usually enlarges and may move across your field of vision. This entire migraine phenomenon may end in only a few minutes, but usually […]
Visual problems associated with migraines are known as ophthalmic migraines, or ocular migraines, changes also may take place in blood flow to the area of the brain responsible for vision (visual cortex or occipital lobe). Resulting ophthalmic or ocular migraines commonly can produce visual symptoms even without a headache.
Fundus Fluorescein angiography is a procedure to examine the tiny blood vessels in the eye.A dye called fluorescein is injected in your arm and serial photographs of eyes are taken. Dye highlight the blood vessel in the back of eye.
Optical coherence tomography is a non-invasive diagnostic test used for imaging of retina. it helps in early detection of any disease. It is used to diagnose macular disorders like ARMD, macular edema, macular hole, CSR.