Unilateral visual impairment and blindness in school children - prevalence and aetiology in Saki-East LGA of Oyo State, Nigeria.

Objective: This study determined the prevalence and aetiology of unilateral visual impairment (VI) and blindness and its associated factors in school children.

Methods: We conducted a multistage, cross-sectional study in primary and secondary schools of Saki-East Local Government Area of Oyo State, Nigeria. Unilateral VI was defined as presenting visual acuity (PVA) worse than +0.

The Effect of Direct Health Education on the Uptake of Screening by First Degree Relatives of Glaucoma Patients in Nigeria.

Prcis: First degree relatives (FDRs) of glaucoma patients are more likely to present for screening when they are directly contacted and educated by health workers on the phone compared with when they are only invited by their relative with glaucoma.

Objective: The aim was to determine the effect of direct health education by phone calls on the uptake of glaucoma screening among FDRs of primary open angle glaucoma patients as a glaucoma blindness control strategy in an asymptomatic high-risk African population.

Methods: This was a randomized clinical trial in which 102 primary open angle glaucoma patients (probands) were randomized into control and intervention groups.

Prevalence, Correction Coverage, Unmet Need and Impact on the Quality of Life of Presbyopia among Market Traders in Ibadan, Nigeria.

Presbyopia is an age-related condition that results from the gradual decline in accommodation leading to inability to focus at near distances. This study sought to determine the prevalence, correction coverage, unmet need and impact on the quality of life of presbyopia among Bodija market traders in Ibadan, Nigeria. A cross sectional study was conducted on 314 participants aged 35 years and older selected by a non-probability sampling method.

Relationship between dry eye and glycosylated haemoglobin among diabetics in Ibadan, Nigeria.

Introduction: dry eye is a fairly common ocular surface disorder which significantly affects the quality of life of patients. This study aimed to determine the prevalence, and relationship between dry eye and glycosylated haemoglobin (HbA1c) among patients with diabetes mellitus.

Methods: this was a descriptive hospital-based study conducted among patients diagnosed with diabetes mellitus and attending the Diabetic Clinic at a tertiary health facility in Ibadan, south-western Nigeria.

Dry eye disease in an adult population in South-West Nigeria.

Aim: To determine the prevalence and factors associated with dry eye disease (DED) in an adult population in south-west Nigeria.

Method: A descriptive cross-sectional community-based study was conducted among respondents aged 40 years and above. Questionnaires were administered on symptoms of DED, followed by ocular examination to elicit signs of DED by determining the tear film break-up time, corneal fluorescein staining score, and Schirmer I tests.

Comparison of Peribulbar with Posterior Sub-Tenon's Anesthesia in Cataract Surgery Among Nigerians.

Purpose: To compare the akinetic and the analgesic effects of peribulbar and posterior sub-Tenon's anesthesia in patients undergoing cataract surgery.

Methods: In a hospital-based randomized comparative interventional study, patients aged 50 years and above who underwent elective surgery for uncomplicated cataract were randomized to receive either peribulbar block or posterior sub-Tenon block. Pain during injection, surgery, and after surgery was assessed using numerical reporting scale (NRS).

5-Fluorouracil vs avastin as adjunct to conjunctival autograft in the surgical treatment of pterygium.

Background: The use of adjunct antimetabolite therapy along with conjunctiva autograft has been shown to be effective in preventing pterygium recurrence. There has however been fewer reports on the effect of anti-vascular endothelial growth factor on pterygium recurrence.

Objective: To compare 5-fluorouracil with conjunctival autograft with bevacizumab (avastin) used along with autograft in the surgical treatment of pterygium.

Prevalence of presbyopia in a semi-urban population of southwest, Nigeria: a community-based survey.

Uncorrected presbyopia is a major cause of poor near vision in the developing countries. To determine the prevalence and demographic characteristics of presbyopia among adult populations (40 years and above) in a sub-urban population, southwest Nigeria, a population-based cross-sectional study was carried out from April to May 2014. A multi-stage sampling method was used to select eligible respondents.

Risk factors for pterygium recurrence after surgical excision with combined conjunctival autograft (CAG) and intraoperative antimetabolite use.

Background: To identify the determinants of recurrence following primary pterygium excision combined with conjunctival autograft (CAG) and intraoperative use of Mitomycin C (MMC) or 5-Fluorouracil (5-FU).

Methods: A randomized controlled clinical trial comparing 5-FU (50 mg/ml) plus CAG versus MMC (0.01%) plus CAG in preventing recurrence of primary pterygium following excision.

Prevalence and pattern of eye disorders among commercial motorcycle riders in Ile-Ife, Osun state.

Aims And Objectives: To describe the prevalence and pattern of eye disorders existing among commercial motorcycle riders (CMRs) in Ile-Ife, Osun State. Materials, Subjects and Methods: A total of 1626 registered CMRs operated in 40 registered motorcycle assembly units in Ile-Ife. Using a multi- staged random sampling technique, a total of 322 riders were randomly selected from 10 units.

Awareness and knowledge of glaucoma among workers in a Nigerian tertiary health care institution.

Purpose: The aim of this study reports the level of awareness and knowledge of glaucoma among selected health care personnel at a health institution in southwestern Nigeria.

Materials And Methods: Health personnel at the Federal Medical Centre, Owo, Nigeria, a tertiary health care institution were stratified into a clinical and an administrative directorate. One-hundred twenty participants were selected from each directorate by a random sampling technique.

Barriers to cataract surgery of persons screened at camps in Ibadan, Nigeria.

Purpose: To determine barriers to uptake of cataract surgery by outreach patients at the University College Hospital, Ibadan and to make appropriate recommendations for improved cataract surgery uptake

Methods: Consenting cataract blind/visually impaired (presenting vision < 6/18) outreach patients identified from the outreach patient register of the University College Hospital, (UCH) Ibadan during a five months period (January to May 2009) were followed up for a visit in late June and July 2009. A semi-structured questionnaire schedule was used for data collection. People who did not use the services were administered a barriers questionnaire-schedule while those who accepted the services were administered a questionnaire schedule to elicit motivating factors for acceptance of services.

Survey of low vision among students attending schools for the blind in Nigeria: a descriptive and interventional study.

Purpose: The aim of this study is to determine the prevalence of low vision among students attending all the schools for the blind in Oyo State, Nigeria. The study set out to determine the proportion of students with low vision/severe visual impairment after best correction, to determine the causes of the low vision, to document the associated pathologies, to determine the types of treatment and visual aid devices required, and to provide the visual aids needed to the students in the schools.

Materials And Methods: All schools students for the blind in Oyo State were evaluated between August 2007 and January 2008.

Quality-of-life and visual function after manual small incision cataract Surgery in South Western Nigeria.

Background: Outcome studies after cataract surgery should focus on functional status and quality of life instead of visual acuity measurement alone.

Objective: To assess patients' quality of life (QoL) and overall visual function (VF) after manual small incision cataract surgery (SICS) with intraocular lens (IOL) implantation.

Methods: A prospective hospital based study which evaluated the preoperative and postoperative visual function and vision related QoL among patients presenting with first eye cataract at an eye hospital in South Western Nigeria using the VF-14 questionnaire and the vision related QoL questionnaire.

Profile of patients presenting at a low vision clinic in a developing country.

Background: Low vision is an important public health problem; however, very few low vision clinics are available to address the needs of low vision patients in most developing countries. The purpose of this study was to describe the characteristics of patients attending the low vision clinic of a Nigerian tertiary hospital.

Methods: This was a prospective cross sectional study of all new patients seen at the low vision clinic over a 36 month period.

A comparative evaluation of patients satisfaction with cataract surgical services in a public tertiary and a private secondary eye care facilities in Nigeria.

Background/purpose: This study compared the degree of patients' satisfaction with cataract surgical services at a private, semi urban secondary eye care hospital - St Mary's Catholic Eye Hospital, Ago Iwoye, (SMEH) and a public tertiary hospital-University College Hospital Ibadan (UCH) in South Western Nigeria.

Materials And Methods: A prospective, observational study of consecutive patients undergoing cataract surgery at SMEH and UCH was conducted between May and October 2007. Questionnaires were administered to a total of 366 patients preoperatively, 1 st day and 8 th week postoperatively.

Squamous papillomas of the conjunctiva: a retrospective clinicopathological study.

Background: There is very limited literature on squamous papillomas of the conjunctiva from Nigeria and sub-Saharan Africa. In an attempt to contribute to the literature on the subject, we studied the clinicopathological characteristics of patients histologically diagnosed with squamous papilloma of the conjunctiva in Ibadan, Nigeria.

Materials And Methods: Clinical and pathological records of patients with histological diagnosis of squamous papilloma of the conjunctiva made in the Department of Pathology, University College Hospital, Ibadan, between January 1985 and December 2004, were reviewed.

5-Fluorouracil versus mitomycin C as adjuncts to conjunctival autograft in preventing pterygium recurrence.

To compare the efficacy of 5-fluorouracil (5-FU) with mitomycin C (MMC) in preventing pterygium recurrence when used as an adjuvant following pterygium excision with conjunctival autograft. Low-dose MMC combined with conjunctival autograft is an effective treatment for preventing recurrence following pterygium excision, but safety, cost, and availability limit its use in developing countries. There is a paucity of data on the efficacy of 5-FU when used in Africa as an adjuvant to conjunctival autograft following pterygium excision.

Outcome of trabeculectomy with 5-fluorouracil using releasable suture technique in a Nigerian Tertiary Hospital.

Background: Trabeculectomy has undergone a series of modifications in recent times most of which are aimed at improving the efficacy of the procedure while reducing complications. The use of releasable sutures is one of such modifications.

Objective: To assess the efficacy and complications associated with the use of releasable sutures and 5-Fluorouracil(5-FU) in trabeculectomy among indigenous African patients with primary open angle glaucoma.

Awareness and utilization of protective eye device among welders in a southwestern Nigeria community.

Objective: To determine the level of awareness and practice of use of protective eye devices among welders in Ile-Ife.

Methods: This is a cross-sectional descriptive study of 405 consenting welders. A pretested proforma was utilized to obtain information on sociodemographic characteristics, as well as awareness and use of protective eye device.

Visual outcome of uveitic cataract in Ibadan.

The aim of this study is to evaluate the factors responsible for poor visual outcome in patients who had surgery for cataract due to uveitis in our subpopulation. A nonrandomized retrospective chart review of 28 patients (28 eyes) diagnosed with uveitic cataract that had cataract surgery between June 2001 and May 2007 at the University College Hospital, Ibadan, Nigeria was carried out. All had extracapsular cataract extraction with or without IOL implantation.

Visual outcome after cataract surgery at the university college hospital, ibadan.

Aim: The aim of this study was to determine the visual outcome of patients who had cataract surgery in the University College Hospital Ibadan.

Methodology: This is an observational descriptive, longitudinal study of consecutive patients undergoing cataract surgery at the University College Hospital conducted between May and October 2007. A total of 184 patients who presented to the hospital and met the inclusion criteria were recruited into the study.

Effect of face washing with soap and water and cleaning with antiseptics on upper-lid bacteria of surgical eye patients.

Objective: To determine the effect of face washing with soap and water and cleaning with povidone iodine and cetrimide/chlorhexidine gluconate (Savlon) on upper-lid bacteria.

Design: Prospective, nonrandomized clinical trial.

Participants: Eighty patients attending the Eye Clinic, University College Hospital, Ibadan, Nigeria.

Cataract surgical outcomes in diabetic patients: case control study.

Purpose: To determine the visual outcome of cataract surgery in diabetes mellitus with advanced cataract in a tertiary institution in Nigeria.

Design: A retrospective case control study conducted at the University College Hospital, Ibadan Nigeria.

Subjects: Twenty three consecutive patients with diabetes and 23 age and sex matched non-diabetic control patients who had extracapsular cataract extraction for advanced cataract between 2002-2005.

Eye health of professional drivers of a Nigerian University.

Background: Safe driving and road traffic accident prevention could be attained through ensuring good condition of vehicles, the road as well as the physical and mental state of the driver among others Objectives: To determine the ocular health status of professional drivers of the University of Ibadan, Nigeria

Methods: A cross sectional survey of all drivers in the employment of the University of Ibadan, excluding the College of Medicine, was carried out between March and June 2002 at the University Medical Centre and the eye clinic of the University College Hospital, Ibadan.

Results: One hundred and ninety seven all male drivers were screened. Their ages ranged from 31 to 64 years (mean 48.