the eye unaided by any optical instrument that alters the power of vision or alters the apparent size or distance of objects; "it is not safe to look directly at the sun with the naked eye"
increased pressure in the eyeball due to obstruction of the outflow of aqueous humor; damages the optic disc and impairs vision (sometimes progressing to blindness)
able to attract interest or draw favorable attention; "He added an appealing and memorable figure to popular American mythology"- Vincent Starrett; "an appealing sense of humor"; "the idea of having enough money to retire at fifty is very appealing"
expressing earnest entreaty; "the appealing and frightened look worn by an injured dog"; "she holds out her hand for money, importunate, insistent"; "a pleading note in her voice"