Similasan Complete Eye Relief drops provide temporary relief from multiple eye symptoms like dryness, redness, itching, burning, stinging, watering. Use as often as needed with no known side effects. Similasan Aging Eye Relief drops provide temporary relief from aging eye symptoms like blurred vision, eye strain, and tearing due to dryness. Use as often as needed with no known side effects. Similasan Computer Eye Relief drops provide temporary relief from eye strain symptoms like tiredness, aching, burning, and redness. Use as often as needed with no known side effects.