snowblindness n temporary blindness caused by exposure to sunlight reflected from snow or ice Usage(s) The cause of his lapse: snowblindness. At nearby Ndhola, the Indians fought until they ran out of ammunition and then retreated through the mountains, wherefamished, frostbitten, stumbling with snowblindness . Soldiers in Alaska, as they are immune to snowblindness. Synonym(s) snow-blindness