Ophthalmology Type IV hypersensitivity to Mycobacterium tuberculosis antigen may manifest as – A Iridocylitis B Polyarteritis nodosa C Phlyctenular conjunctivitis D Giant cell arteritis 💡 Explanation Type IV hypersensitivity to Mycobacterium tuberculosis antigen may manifest as – ✓ Correct Answer: C. Phlyctenular conjunctivitis