Your doctor could soon be monitoring your heart and pregnancy, or screening your eyesight and hearing, over your smartphone. Launched by Vodacom at the GovTech conference in Durban, this healthcare innovation will become commercially available early next year.Vodacom will be the first network to offer the service in Africa."The use of technology by healthcare professionals is very limited. So we put together an 'ecosystem' of healthcare innovators."Some of them are looking at eye-screening and audio-screening," said Vodacom business chief officer Vuyani Jarana.But the app would not substitute for a consultation with a medical doctor, he said.Called hearScreen, it does hearing tests using a smartphone coupled to special headphones. The test data are transmitted from the smartphone through Vodacom's network to a data management system."A home-based caregiver can capture all the vital signs, which will be fed through the device to the medical professional sitting somewhere analysing the vital signs," said Jarana.Vula Mobile uses the smartphone's light to test pupil reaction...