Social & Preventive Medicine A total of 5000 pts of glaucoma are identified and surveyed by pts. inteviews regarding family history of glaucoma. Such a study design is called ? A Case series repo B Case control study C Clinical trial D Coho study 💡 Explanation A total of 5000 pts of glaucoma are identified and surveyed by pts. inteviews regarding family history of glaucoma. Such a study design is called ? ✓ Correct Answer: A. Case series repo