. 2023 Mar 3;14:100171. doi: 10.1016/j.lansea.2023.100171

Table 3.

Colour vision requirements for obtaining a driving license in ASEAN countries.¹¹

Country	Colour vision test	Authorized persons licensed to conduct testing	Exclusion criteria for driving
Brunei	Three colours discrimination test	Ophthalmologist	Unable to discriminate red, green and amber from 23 m
Cambodia	Ishihara	Ophthalmologist and ophthalmic health personnel	Any colour vision impairment^a
Indonesia	Ishihara	General practitioners	Any colour vision impairment^a
Malaysia	Ishihara	Land Transportation Authority and Ophthalmologist	Any colour vision impairment^a for commercial drivers
Myanmar	Ishihara	Land Transportation Authority	Any colour vision impairement^a for commercial drivers
Laos	Three colours discrimination test	Land Transportation Authority	Any colour vision impairment^a
Philippines	None specified	N/A	None specified
Singapore	Three colours discrimination test	Land Transportation Authority and Ophthalmologists	Unable to discriminate red, green and amber colours when examined by an Ophthalmologist
Thailand	Three colours discrimination test	Land Transportation Authority	Any colour vision impairment^a detected by Ophthalmologist
Vietnam	None specified	N/A	None specified

No specification of minimum scores on colour vision tests.