Research

Ophthalmologists’ Perspective on Barriers to Cataract Surgery and Surgical Productivity in Ethiopia, Ghana, and Zambia: A Descriptive, Mixed-Methods Survey

Jan 18, 2024

While progress was made towards the Vision 2020: The Right to Sight goals, Ethiopia, Ghana, and Zambia fell short of the recommended cataract surgical rate (CSR) on a national level...

Intraocular pressure screening during high-volume cataract surgery outreach in Ethiopia

Oct 5, 2022

Approximately 2.2 billion people worldwide have visual impairment; refractive error and cataracts are the most common cause of reversible blindness while glaucoma is the leading cause of irreversible blindness [1]...

Cataract Surgery: A Nepalese Perspective

Jan 1, 2022

Globally, cataract continues to be the leading cause of blindness. Ninety four million of the total population are suffering from moderate to severe visual impairment due to cataract. Out...

The Impact of COVID-19 on Missed Ophthalmology Clinic Visits

Dec 8, 2021

The COVID-19 pandemic has brought significant stress to the US healthcare system, impacting patients’ abilities to access urgent and elective care, and decreasing volumes of surgeries, hospital admissions, and clinic...

Characterising transnational ophthalmic surgical partnerships by engagement and training

Mar 26, 2021

Transnational ophthalmic partnerships exist between high-income countries (HICs) and low- and middle-income countries (LMICs) in varying capacities. We analyzed partnership stakeholders to better understand and address disparities in ophthalmic surgical...

Artificial intelligence in global ophthalmology: using machine learning to improve cataract surgery outcomes at Ethiopian outreaches

Jan 1, 2021

Differences between target and implanted intraocular lens (IOL) power in Ethiopian cataract outreach campaigns were evaluated, and machine learning (ML) was applied to optimize the IOL inventory and minimize avoidable...

Global Ophthalmology Insights for a Global Pandemic

May 26, 2020

The COVID-19 pandemic has abruptly changed the United States (US) healthcare landscape, straining the system in countless ways. Every medical field has been affected, and each is important for sustaining...

Utility and Feasibility of Teleophthalmology Using a Smartphone-Based Ophthalmic Camera in Screening Camps in Nepal

Feb 3, 2020

Teleophthalmology is widely recognized as a way to extend care to individuals over a larger region by leveraging limited physician availability and resources. This potential is especially important in low-...

Prevalence and Severity of Diabetic Retinopathy among Diabetic Patients Presenting to a Tertiary Eye Hospital in Nepal

Jan 29, 2020

Diabetic retinopathy (DR) is the leading cause of visual impairment among working-age individuals in the Western world, according to numerous large population-based studies. Detailed understanding of the prevalence of diabetes...

Teleophthalmology through handheld mobile devices: a pilot study in rural Nepal

Jun 8, 2019

The utility of eye screening examinations using portable mobile devices such as smartphones and tablets in developing countries is still largely unexplored. However, several publications and systematic reviews suggest that...

The individual and household impacts of cataract surgery on older blind adults in Ethiopia

Feb 26, 2019

To comprehensively measure the impacts of cataract surgery on patients' activities and mental and physical health, caregivers' well-being, and household incomes in a resource-poor setting Methods: One thousand two hundred...

Comparison of early versus standard timing for silicone stent removal following External Dacrocystorhinostomy under local anaesthesia

Jan 1, 2019

The first line treatment for nasolacrimal duct obstruction (NLDO) is external dacrocystorhinostomy (DCR). Following DCR, patients are required to return to Tilganga Institute of Ophthalmology (TIO) six weeks postoperatively for...

Role of laser refractive surgery in cross-subsidization of nonprofit humanitarian eyecare and the burden of uncorrected refractive error in Nepal: Pilot project

Aug 1, 2018

To establish a refractive surgery unit at Tilganga Institute of Ophthalmology through support from international donations and provide knowledge transfer for doctors and management to make the unit self-sustaining, nonprofit...

Role of laser refractive surgery in cross-subsidization of nonprofit humanitarian eyecare and the burden of uncorrected refractive error in Nepal: Pilot project

Jul 20, 2018

To establish a refractive surgery unit at Tilganga Institute of Ophthalmology through support from international donations and provide knowledge transfer for doctors and management to make the unit self-sustaining, nonprofit...

The role of small incision suture-less cataract surgery in the developed world

Jan 1, 2018

Manual small incision cataract surgery (MSICS) has recently gone through much refinement and fine tuning. It is often taken as an alternate option for phacoemulsification, especially in developing country. This...

Clinical Application of a Smartphone-Based Ophthalmic Camera adapter in Under-Resourced Settings in Nepal

Dec 28, 2017

Worldwide there are an estimated 285 million people suffering from vision impairment and 39 million who are blind. ‘Low vision’ is defined as visual acuity of less than 6/18 but...

The impact of ocular trauma during the Nepal earthquake in 2015

Mar 28, 2017

On the 25th of April, a 7.8 Richter earthquake struck Nepal with its epicenter 77 km from Kathmandu. A 7.3 Richter aftershock subsequently occurred on the 12th of May, equidistant...

Simbu Ptosis: An Outreach Approach to Myogenic Ptosis in Eastern Highlands of Papua New Guinea-Experience and Results From a High-Volume Oculoplastic Surgical Camp

Mar 1, 2017

To present the results of a high-volume oculoplastic surgical outreach in a remote region of Simbu Province in the Eastern Highlands of Papua New Guinea. The authors describe the clinical...

Salvaging deep anterior lamellar keratoplasty with microbubble incision technique in failed "big bubble" cases: an update study

Nov 4, 2016

To report the achievement rate of bare Descemet membrane (DM) dissection with the help of microbubble incision technique in eyes with failed big bubble formation and to investigate the mechanism...

Scleral fixation of a posterior chamber intraocular lens combined with penetrating keratoplasty in an aphakic patient with microcornea and microphthalmia

Apr 6, 2016

Aphakia after a cataract surgery could be attributed to many reasons, including lack of capsular support or insufficient surgical experience for scleral fixation. Iris-fixated intraocular lenses (IOLs), anterior chamber (angle...

Blindness, cataract surgery and mortality in Ethiopia

Jan 1, 2016

To examine the relationships between blindness, the intervention of cataract surgery and all-cause mortality in a rural Ethiopian population.

The Problem of Childhood Blindness

Nov 1, 2015

Health literacy of common ocular diseases in Nepal

Jan 8, 2014

In 1981, the Nepal Blindness Survey provided the first epidemiological information on the prevalence of blindness in Nepal. The prevalence of blindness in Nepal was estimated to be 0.84% and...

Cataract surgical problem: February consultation

Feb 1, 2013

Turning the tide of corneal blindness

Sep 1, 2012

Eliminating treatable corneal blindness presents a daunting but surmountable challenge for the upcoming decades. Over the past 30 years, large strides have been made toward addressing the root causes of...

A population-based survey of the prevalence and types of glaucoma in Nepal: the Bhaktapur Glaucoma Study

Apr 1, 2012

To determine the prevalence and types of glaucoma in a Nepalese population.

Outcomes of cataract surgery: a population-based developing world study in the Bhaktapur district, Nepal

Dec 1, 2011

To evaluate the visual outcome after cataract surgery in a population of Nepal.

Glaucoma at a tertiary referral eye hospital in Nepal

Jul 1, 2011

Glaucoma is an important cause of blindness.

Age-related macular degeneration in Nepal

Jul 1, 2011

The Age related Macular Degeneration (AMD) is a common cause of visual impairment and blindness worldwide in elderly.

Prevalence of visual impairment, cataract surgery and awareness of cataract and glaucoma in Bhaktapur district of Nepal: the Bhaktapur Glaucoma Study.

Jan 21, 2011

Cataract is the major cause of blindness worldwide. It is estimated that 41.8% of all global blindness is caused by cataract. Glaucoma is the second leading cause of visual loss...

Etiologic diagnosis of corneal ulceration at a tertiary eye center in Kathmandu, Nepal

Dec 1, 2010

To determine the etiologic diagnosis of infectious corneal ulcers at Tilganga Institute of Ophthalmology, a tertiary teaching hospital in Kathmandu Nepal, from 2006-2009.

The use of Glycerol-Preserved Corneas in the Developing world

Jan 1, 2010

The World Health Organization defines blindness as visual acuity worse than 3/60.1 Using this definition, there were an estimated 45 million people bilaterally blind in 2001 and another 180 million...

Preoperative visual acuity of people undergoing cataract surgery in rural and urban Nepal

Aug 1, 2009

Preoperative presenting visual acuity (PPVA) is not a commonly reported indicator for the delivery of cataract services. This study aimed to evaluate the PPVA of patients undergoing cataract surgery in...

Ocular telemedicine between Nepal and the USA: prevalence of vitreoretinal disease in rural Nepal

May 1, 2009

This study is aimed at reporting experiences with telemedicine between Nepal and the USA and at reporting the prevalence of age-related macular degeneration (AMD) and diabetic retinopathy (DR) in rural...

Rationale, methods and baseline demographics of the Bhaktapur Glaucoma Study

Mar 1, 2009

To describe the methodology and baseline data of a population-based study designed to determine the prevalence of glaucoma and to study the risk factors for glaucoma development in a Nepali...

Cataract surgery for the developing world

Jan 19, 2008

To review surveys published within the last year concerning the prevalence of cataract blindness, rates of cataract surgical coverage and visual outcomes of cataract surgery in various developing countries, and...

Safety and efficacy of manual small incision cataract surgery for phacolytic glaucoma

Mar 1, 2007

In this issue Venkatesh and coworkers (see page 279) from The Aravind Eye Hospital in Pondicherry, India present their results of utilizing a manual sutureless extracapsular cataract surgery (MSICS) technique...

A prospective randomized clinical trial of phacoemulsification vs manual sutureless small-incision extracapsular cataract surgery in Nepal

Sep 5, 2006

To compare the efficacy and visual results of phacoemulsification vs manual sutureless small-incision extracapsular cataract surgery (SICS) for the treatment of cataracts in Nepal.

Patient's perception towards the eye health care system in a tertiary eye care centre in Nepal

Jun 8, 2006

This study was performed to determine patient's perceptions towards eye health care systems in a tertiary eye care center in Nepal. Subjects were randomly selected from the outpatient department of...

Optimal single intraoculat lens power for the Nepali population

Oct 1, 2004

Cataracts are the leading cause of blindness worldwide and the incidence is on the rise with increasing population and longevity. Surveys in developing countries demonstrate few people with visually significant...

Rapid assessment of avoidable blindness in Bhutan

Aug 1, 2004

To conduct a rapid assessment of avoidable blindness survey in Bhutan to obtain estimates of blindness, visual impairment, and cataract surgical coverage, outcomes and barriers among persons ≥50 years old.

Willingness to pay for cataract surgery in Kathmandu Valley

Mar 1, 2004

Worldwide, 16 million people are blind because of cataracts and the burden of blindness is higher in developing countries and Nepal is no exception. Cataract surgery has become one of...

Corneal surgery for severe phacoemulsification burns

Feb 1, 2004

To evaluate the outcome of corneal surgery for the treatment of severe corneal phacoemulsification burns.

Temple eye banking in Nepal

May 21, 2002

An innovation in developing world cataract surgery: sutureless extracapsular cataract extraction with intraocular lens implantation

Aug 28, 2000

The benefits of sutureless cataract surgery have not been available to the majority of developing world patients. This report describes a surgical technique developed to gain the benefits of self-sealing...

Cataract intervention in the developing world: knock-on development through mentoring hospitals

Feb 28, 2000

Low-cost high-volume extracapsular cataract extraction with posterior chamber intraocular lens implantation in Nepal

Jan 1, 1998

Extracapsular cataract extraction with posterior chamber intraocular lens (IOL) implantation surgery using a technique developed by Dr. Sanduk Ruit of the Tilganga Eye Centre in conjunction with the Medical Directorate...

Modern surgery for global cataract blindness: preliminary considerations

Jan 1, 1998

Unoperated cataract in the developing world remains ophthalmology's major unsolved problem. Recent developments have brought into question the assumptions of those who have thought that extracapsular surgery with implantation of...

Extracapsular cataract extraction in Nepal. 2-year outcome

Dec 1, 1991

We evaluated the 2-year outcome of extracapsular cataract surgery with posterior chamber intraocular lens insertion by a single fellowship-trained surgeon in Kathmandu, Nepal. Six hundred ten eyes were followed up...

On the practicalities of eye camp cataract extraction and intraocular lens implantation in Nepal

Dec 2, 1990

Based on our experience in Nepal, we discuss the practicalities of performing extracapsular cataract extraction (ECCE) with intraocular lens (IOL) implantation in the context of the third-world eye camp. At...