Acculturation refers to cultural contact. When there is cultural contact, there is mingling of cultures and exchange of beliefs and behaviours. 

Cultural contact can occur by:

• trade
• industrialisation
• conquest
• education

1. Family size – demography
2. RGUHS Karnataka PGET 2011 – MCQ 185
3. Population growth rates
4. Ophthalmology – MCQ 44 – Effects of contact lens wear.