Subjects with colour vision deficiency in the community: what do primary care physicians need to know?

Table 1 Common difficulties faced by CVD students in academic subjects

Subject	Areas of difficulties
Art	Unable to appreciate how colours are used
Art	Use of wrong colours when painting
Chemistry	Unable to read litmus paper accurately
	Unable to tell the colours of different chemical solutions in quantitative analysis
	May be unable to identify metals by colour of flame produced when a metal is burnt
Biology	Unable to accurately read stained slides under microscope
	May not be able to identify species of plants
	May not be able to accurately carry out dissections
	May have difficulty understanding coloured diagrams in textbooks
Physics	Will have difficulty with coloured wiring and use of prisms
Maths	Unable to read pie charts and graphs

Data from Dutton F [13], Waggoner TL [14], Sullivan K [15], Albany-Ward K [16], Spalding JAB [17].

ISSN: 1447-056X