Slit light source and vision inspecting device comprising same

The present invention relates to a slit light source and, more specifically, to a slit light source for irradiating slit-shaped light, and a vision inspecting device comprising the same. Disclosed is a slit light source comprising: a light source unit (100) for generating light; a slit unit (200), which is installed on the front side of the light source unit (100), for converting the light generated by the light source unit (100) into slit-shaped light; and an optical system (300) for enabling the light which has passed through the slit unit (200) to be focused on a subject (10) as predetermined slit light.