Blindness: Indian scenario: Is it really preventable?

Iqbal, Dr S; Dubey, Dr Arvind Kumar; Gedam, Dr D Sharad

doi:10.17511/ijmrr.2013.i05.11

Cited by 7 publications

(7 citation statements)

References 11 publications

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“…Falls among visually impaired people can occur due to intrinsic and extrinsic factors [ 15 ]. In developing countries like India, people with visual impairment face different challenges, such as accessibility, navigator barriers, poverty, and healthcare utility challenges [ 21 , 22 ].…”

Section: Introductionmentioning

confidence: 99%

Visual impairment and falls among older adults and elderly: evidence from longitudinal study of ageing in India

Singh

Maurya

2022

BMC Public Health

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Background The present study determines the prevalence and correlates of falls, multiple falls, and injuries, focusing on visual impairment among the older adult and elderly population in India. Additionally, owing to the higher prevalence of falls and visual impairment among women, a sex-stratified analysis has also been done in the present study. Methods The study utilized the data from the first wave of the Longitudinal Ageing Study in India (LASI wave-1), conducted during 2017-2018. Bivariate with chi-square and multivariate analyses were performed to fulfill the objective. Results Around 34% of population had low vision (male:30% and female: 38%), while blindness prevalence was 1.63% (males: 1.88% and females: 1.41%). The fall was higher among females and increased across the gender with increasing visual impairment and blindness levels. The unadjusted odds of falls were 16% higher among individuals with low vision and 40% higher among individuals with blindness than with normal vision, and comparatively higher odds among females than males. Conclusion In summary, falls and visual impairment is public health challenge and needs to be addressed. Visual impairment is preventable in most cases, so it may be a modifiable target for reducing the risk of falls.

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Section: Introductionmentioning

confidence: 99%

Visual impairment and falls among older adults and elderly: evidence from longitudinal study of ageing in India

Singh

Maurya

2022

BMC Public Health

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“…Other studies 9,10 found that positive predictive values of suitability of corneas increased from 38.5% for corneas retrieved from donors aged more than 80 years (where DRT > 6 h and a tissue retrieval-to-reception time >24 h) to 64.7% for those from donors aged less than 80 years (where DRT < 6 h and a tissue retrieval-toreception time <24 h).…”

Section: Discussionmentioning

confidence: 96%

Study of death to preservation time and its impact on utilisation of donor corneas

et al. 2017

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To evaluate the impact of death-to-preservation time (DPT) on effective utilisation of donor corneas. In a prospective observational study conducted at our tertiary eye centre, donated corneas received over a 15-month period from November 2011 to January 2013 were evaluated. Donor age, donor refrigeration (done or not), DPT, endothelial cell density (ECD), corneal grading, clinical utilisation and surgical outcome after graft transplantation were noted. To analyse the impact of different DPT on donor cornea transplantation, primary outcome measures (corneal grading and endothelial cell density) and secondary outcome measures (primary graft failure and graft infection) were analysed. A total of 990 corneas were assessed. Primary outcomes showed no significant difference for higher DPT ( P > 0.01). ECD, where DPT was >12 h, was better for refrigerated corneas ( P < 0.001). Prolonged DPT had no significant effect on primary graft failure ( P = 0.131) and graft infection ( P = 0.137) in the first month after transplantation. We find that DPT should not be the only criteria to assess the cornea quality; other donor characteristics should be considered equally important. Donor refrigeration should be encouraged in cases where early retrieval is not possible.

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“…The factors that cause inappropriate development of stereopsis are many; one notable cause being uncorrected refractive errors. 8,11,12 All types of refractive errors adversely affect stereopsis by inducing visual blur, resulting in decreased binocular function with low sensory fusion. 8,13 In this study, subnormal stereopsis was found more in simple myopia, followed by compound myopic astigmatism and amblyopia.…”

Section: Discussionmentioning

confidence: 99%

Assessment of stereoacuity (3D vision) using TNO random dot stereo acuity chart in medical undergraduate students: A cross-sectional study

Hun,

Jariwala

2023

IJCEO

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The study aimed to estimate the level of stereoacuity in medical undergraduate students, factors associated with reduced stereoacuity, and time taken to interpret plates. Cross-sectional study was done at the Medical College of South Gujarat from April 2021 to June 2022, enrolling 400 consenting students. Detailed ocular history was taken; best corrected visual acuity was assessed for distance and near after cycloplegic refraction for cases with subnormal visual acuity and power of glasses documented. Level of Stereopsis was assessed using TNO random dot stereoacuity chart and time taken to read plates 1 and 5 was recorded. Data were entered and appropriate statistical tests were applied. Out of 400 students, 64.25% had a refractive error. Simple myopia was most prevalent refractive error (43.25%), followed by compound myopic astigmatism (19.5%). Seven students had anisometropic amblyopia and two had strabismic amblyopia. 19.75% cases had subnormal stereopsis. Among them, 10.25% cases had simple myopia, 7.25% had high compound myopic astigmatism, 1.75% had anisometropic amblyopia and 0.5% cases had strabismic amblyopia. Average time taken by emmetrope to read plate 1 and plate 5 was 13.93 ± 14.03 and 19.03 ± 20.66 respectively and for cases with refractive errors, time taken was 17.59 ± 13.95 and 27.83 ± 20.77 respectively. This was statistically significant (P <0.05). Most of the students had good stereoacuity as they were already wearing refractive correction. Commonest cause of subnormal stereopsis ware simple myopia, compound myopic astigmatism and amblyopia. Time taken to read the plates is more for refractive error as compared to emmetropes.

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Blindness: Indian scenario: Is it really preventable?

Cited by 7 publications

References 11 publications

Visual impairment and falls among older adults and elderly: evidence from longitudinal study of ageing in India

Visual impairment and falls among older adults and elderly: evidence from longitudinal study of ageing in India

Study of death to preservation time and its impact on utilisation of donor corneas

Assessment of stereoacuity (3D vision) using TNO random dot stereo acuity chart in medical undergraduate students: A cross-sectional study

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