Typical symptoms of furuncular myiasis include itching, a sensation of movement, and sometimes sharp, stabbing pain. At first, people have a small red bump that may resemble a common insect bite or the beginning of a pimple (furuncle). Later, the bump enlarges, and a small opening may be visible at the center.
Preseptal cellulitis. 1  Acute onset of swelling, redness, warmth and tenderness of the eyelid. 2  Eyelid oedema in the absence of orbital signs such as gaze restriction and proptosis. 3  Fever, malaise, irritability in children.  Ptosis.
This image shows a 10-year-old child who presented with fever, acute unilateral eyelid erythema, and limited extraocular motions. The presentation is suspicious for orbital cellulitis. Preseptal cellulitis. This image shows an 8-year-old patient who presented with unilateral eyelid swelling and erythema.