Unusual trouble adjusting to dark rooms;
Difficulty focusing on near or distant objects;
Squinting or blinking due to unusual sensitivity to light or glare;
Red-rimmed, encrusted or swollen lids;
Recurrent pain in or around eyes;
Dark spot at the center of viewing;
Lines and edges appear distorted or wavy;
Excess tearing or "watery eyes";
Dry eyes with itching or burning; and
Seeing spots, ghost-like ../images.