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VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA

Authors: JAGUN Omodele

Publication Type: Journal article

Journal: The Nigerian Postgraduate Medical Journal

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Abstract

Summary
Aims and objectives: To objectively assess the visual acuity of commercial motor
drivers (CMD) in 3 Local Government Areas (LGA) of Ogun State of Nigeria in
order to determine their eligibility to drive.
Subjects and methods: The visual acuities of CMDs in 3 LGAS of Ogun state in
Nigeria (selected using a multistage sampling technique) were tested with Snellens
acuity charts and the eyes examined with bright pen torches and ophthamoscopes.
Visual acuity 6/12 or better in the worse eye was taken as adequate to obtain a
driving license. The drivers with worse visual acuities were further examined to
find the cause of decreased vision.
Results: The visual acuities of 524 drivers were determined and analyzed. Their
ages ranged from 19-66 years with a mean of 46.8 ±7.2 years. Two hundred and
twenty (41.9%) of the drivers were between 40 and 49 years old. Four hundred
and four (77.1%) did not have any form of eye test prior to this study. Four
hundred and sixty three drivers (88.4%) were eligible to drive while 61 drivers
(11.6%) were not eligible. Decreased visual acuity was caused by refractive error
in 22(36.1%), cataract in 19(31.2%), glaucoma in 12(19.7%), corneal scar in
5(8.2%) and posterior segment lesions in 3(4.9%).
Conclusion: Objective assessment of vision should be an essential component of
licensure. Middle aged and elderly drivers are prone to age related ocular diseases
and require reassessment of visual status every 3 years when licenses are renewed.
Key words: commercial motor drivers, visual acuity, driving licenses

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JAGUN,O. . (2012). VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA, 19 (), 222-222.

JAGUN,O. . "VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA" 19, no (), (2012): 222-222.

JAGUN,O. and . (2012). VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA, 19 (), pp222-222.

JAGUNO, . VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA. 2012, 19 ():222-222.

JAGUN,Omodele , . "VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA", 19 . (2012) : 222-222.

J.Omodele , "VISUAL ACUITY OF COMMERCIAL DRIVERS IN OGUN STATE, NIGERIA" vol.19, no., pp. 222-222, 2012.

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