Screening and assessment services identify hearing, eyesight, speech and learning/behaviour problems among school-age children so that appropriate follow-up action can be taken and remedial treatment given before the problems develop into handicaps.

• 当局提供的甄别评估服务，可以识别学龄儿童有没有听觉、视力、言语、学习或行为上的问题，并在问题发展成障碍之前，及时采取适当措施，提供矫正治疗。