1 Which statement is correct? (A) About 50 per cent of people with a visual impairment are over the age of 60; (B) The number of new blind registrations each year is increasing dramatically; (C) Due to better screening and treatment it is predicted that the number of people with a visual impairment will decrease over the next 20 years; (D) The number of people newly registered as partially sighted in a year has nearly doubled in the last 20 years.
The correct answer is D.
Both through demographic influences and improved awareness and access, there has been a doubling of registrations for partial sight.
2 Which one of the following statements is incorrect regarding childhood blindness? (A) In the UK, hereditary factors account for most cases of childhood blindness; (B) There is also a high incidence of other mental or physical impairments among children with a visual impairment; (C) Under 10 per cent of blindness in children aged 5 to 15 year old age group is caused by optic atrophy; (D) Retinopathy of prematurity accounts for about 7 per cent of registrations in children in the UK.
The correct answer is C.
It is the cause for 15.5 per cent of blindness in this age group.
3 A person's lack of participation is determined by? (A) Their emotional state; (B) The part of the eye that is affected by the eye condition; (C) The lack of adaptations of society to their disability; (D) Their social skills.
The correct answer is C. Problems of society at large in adapting to a person's disability lead to adaptation problems.
4 The WHO defines 'low vision' as? (A) <6/12; (B) <6/18 or a visual field < 5; (C) <6/12 or a visual field <10; (D) <6/18 or a visual field <10.
The correct answer is D. Low vision is defined in terms of acuity (less than 6/18) and field loss(less than 10).
5 What proportion of people over the age of 75 have a visual impairment in the UK? (A) 10%; (B) 20%; (C) 40%; (D) 50%.
The correct answer is B. Around 20 per cent of over 75s have a visual impairment. 6 About what percentage of people of working age is blinded by glaucoma? (A) 24%; (B) 35%; (C) 12% (D) 11%.
The correct answer is C. 12 per cent have lost vision as a result of glaucom
![]() | Providing exclusive eye care news, information and educational needs every week, including a FREE CET programme. Subscribe to Optician Print Edition. |
Optician and its sister company Elsevier have teamed up to provide Optician readers with a 10 per cent discount on Elsevier's optometry titles. Click through to buy online.