Some people react adversely to certain light bulbs, like halogen bulbs, which can provide too much light. Sunshine coming in through windows can cause visual problems for some as can the reflection of other smooth or shiny surfaces in the house. Lights from households lamps, overhead fluorescent lighting or car headlights can contribute to photosensitivity. Even the reflective shiny surface of a car can cause diminished vision due to glare or light sensitivity. Outside, sunlight of course creates glare but so can the reflection from water, fresh snow or white sand. Glare can come from many sources and it can come from direct light or reflected light. In addition to light sensitivity, bright lights or glare can cause a temporary “blindness” where one’s central and peripheral vision is blocked or washed out by the brightness. Terri Cyr, OD and author of Insight Into Low Vision writes,“Because of the way light sensitive neurons in our visual system are wired, those with retinal diseases may find the sunshine or bright lights exceedingly bright and have difficulty adapting and in turn experience light sensitivity (photophobia).” For some the harsh lights can actually be painful to the eyes. Glare, bright lights and light sensitivity is a common symptom for those with retinal diseases.
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