After concussional trauma

In which of the following conditions Berlin’s edema is seen -

  1. Open angle glaucoma
  2. After cataract surgery
    3) After concussional trauma
  3. Diabetic retinopathy

explanation

Berlin’s oedema, also called comnzotio retinae, occurs in blunt trauma to eye. It manifests as milky white cloudiness involving a considerable area of the posterior pole with a ‘cherry-red’ spot in the foveal region.