<prompt> Macula involvement is common in -a Toxoplasmab Malariac CMVd Syphilisabcacdbcbde  <response>: Macula lies at posterior pole of retina. All the causes of retinitis chorioretinitis can involve the macula. The common causes are HIVAIDS, syphilis, Toxoplasmosis, tuberculosis, CMV, sarcoidosis. 