Assessment of Color Vision in Diabetic Patients

Ghoneim, Ehab M

doi:10.17554/j.issn.2409-5680.2015.01.2

Cited by 7 publications

(5 citation statements)

References 25 publications

(36 reference statements)

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“…Aforementioned study also found Color deficiency in the form of deutan and protan and combined color deficiency and total color blindness in few participants. 7 Results of fong et al are also in line with current results and found tritan-like visual defect in patients with diabetic retinopathy. 14 Lopez et al agree with our results and reported the alteration in Color vision in 67% of the patients with diabetes and commonest was tritan visual impairment.…”

Section: Found Tritan Deficiency Mostsupporting

confidence: 80%

“…6 Presence of maculopathy and the increased macular thickness in retinopathy may the results in deterioration of color vision and mostly tritan-like defect are common. 7 Outcome after cataract surgery was reported to be worse in diabetic patients especially in those with diabetic retinopathy. 8 A high glucose concentration in the body also leads to the formation of cataract as the ocular complication by glycosylation and have been associated with impaired color vision (ICV).…”

Section: Introductionmentioning

confidence: 99%

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Color Vision Outcome after Phacoemulsification with Intraocular Lens Implant in Patients with Diabetes Mellitus

Gul

Iqbal²,

Farooq³

2022

J Aziz Fatm Med Den College

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Objective: To determine the impaired color function in pseudophakic background diabetic retinopathy patient Methodology: After the ethical approval from The University of Faisalabad under ethical approval number TUF/Dean//2019/39 the cross-sectional study was conducted in the Ophthalmology department of Madina Teaching Hospital Faisalabad which is associated hospital of the The University of Faisalabad. 58 volunteers of both gender and age ranging between 35-75 years were studied through non-probability convenient sampling technique. Duration of study was September 2018 to February 2019. Visual acuity was tested from logmar at a 4 meter distance. Color vision was tested by conventional Farnsworth D15 test, along with slit-lamp and +70D lens to evaluate retinopathy severity, after proper consent of the patient. The test was performed after taking complete ocular, medical, surgical and drug history. Each pseudophakic eye was tested monocular and each subject was tested thrice. Results: Results were analyzed using SPSS version 22. Significant association was seen between the color vision in pseudophakic diabetic patient with background retinopathy (p<0.05), using Pearson Chi-Square. Color vision by conventional D-15 showed mean of ±2.17 and standard error of ±1.05. While pseudophakic group showed mean of ±1.05 and standard error of ± 0.116. Conclusion: There is color defect in pseudophakic diabetic with background retinopathy. The dyschromatopsia is more in the blue axis. Color vision defect (CVD) seen more in uncontrolled diabetic than controlled. Color vision defect (CVD) increases with the course of retinopathy. Color vision checking must be made an integral part of examination specifically in diabetic retinopathy patient.

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Section: Found Tritan Deficiency Mostsupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Color Vision Outcome after Phacoemulsification with Intraocular Lens Implant in Patients with Diabetes Mellitus

Gul

Iqbal²,

Farooq³

2022

J Aziz Fatm Med Den College

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show abstract

“…According to the study published in 2015 there is a marked association between the acquired color vision deficiency and high blood glucose levels 12 . The findings in our study showed that deficiency in color vision is linked to the diabetic status of the patient and as the stage of diabetic retinopathy increases, the likelihood of abnormal color vision also increases.…”

Section: Discussionmentioning

confidence: 99%

Visual Function Tests as cost Effective Screening Tools For Diabetic Retinopathy

Ahmed¹,

Malik²,

Azmat³

et al. 2020

pak J Ophthalmol

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Purpose: To find out the importance of visual function tests as cost effective screening tools for diabetic retinopathy. Study Design: Descriptive, Cross sectional study. Place and Duration of Study: Ophthalmology Unit of Holy Family Hospital, from September 2018 to November 2018. Material and Methods: Two hundred and forty-two patients were selected by convenience sampling technique and were divided into three groups. Two groups of diabetics with and without retinopathy and one group of non-diabetics age-matched controls. After relevant history, patients were examined for Visual acuity, Color vision and Contrast sensitivity using Snellen’s Chart, 24 Plates Ishihara Chart and Pelli Robson Chart respectively. Staging of retinopathy was done after mydriasis. Results: Diabetic patients irrespective of type and stage, when compared with non-diabetic patients had a greater percentage of abnormal visual function tests. A 6/6 visual acuity was observed in 38.2% of non diabetics as compared to only 8.6% diabetics without retinopathy and 7.5% of diabetics with retinopathy. Color vision abnormalities were detected in only 8.6% of non diabetic patients. However, 11.1% of diabetics without retinopathy and 23.7% with retinopathy showed abnormalities of color vision. The percentage of abnormal Contrast sensitivity was 76.2% for diabetics with retinopathy and 60.4% for diabetics without retinopathy and 27.1% for non-diabetic patients. Conclusion: Evaluation of Visual Acuity, Color Vision and Contrast Sensitivity are cheap and easy tests that can be used to screen for diabetic retinopathy thereby allowing early interventions to prevent development of serious ocular diabetic complications.

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“…Changes of colour perception in the diabetic are therefore linked to the function of the autonomic nervous systemand, in particular [87][88][89][90], the emission of biophotons being emitted by proteins and other biologically active and significant moieties as they react with their reactive substrates e.g. proteins, enzymes [91,92].…”

Section: The Influence Of Sensory and Biological Input Upon Brain Function And The Medical Syndrome Diabetes Mellitusmentioning

confidence: 99%

Diabetes is a Complex Neurological, Multisystemic, Multipathological and Polygenomic Disorder: the Use of Strannik Software as an Effective Modality to Illustrate Its Complexity

2019

J Neurol Psychol

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This paper illustrates that the brain is a biophysical entity in which both sensory and biological input sustain its biophysical and computational function. This leads to the conclusion that the brain works in a multi-level and coherent manner to optimise and/or regulate the body's multi-systemic stability and function.It further illustrates that the 'optimisation of blood glucose levels' exhibits the characteristics of a neurally regulated physiological system in which blood glucose levels are regulated between higher and lower limits i.e. 4-8 mmol/l blood glucose; that types 1 and 2 diabetes are comorbidities thereby explaining the inaccuracies reported when diagnosing diabetes; that under pathological conditions mainly in the pancreas, but also as a result of pathological onset in adjacent organs and systems, there is an imbalance between insulin expression and insulin reactivity which leads to increased or decreased blood glucose levels, elevated blood viscosity, the onset of free radical reactions, the subsequent production of complex glycated proteins/lipids and metabolites, altered colour perception. Moreover such precise knowledge; which is embodied in Grakov's mathematical model of the relationship between sense perception, brain function, the autonomic nervous system and physiological systems, and pathological onset; can be applied to screen the patient's health (as Strannik Virtual Scanning) and/or as a neuro modulation type technique (as Strannik Light Therapy) to treat autonomic dysfunction and the range of comorbidities experienced by diabetic and obese patients.

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Assessment of Color Vision in Diabetic Patients

Cited by 7 publications

References 25 publications

Color Vision Outcome after Phacoemulsification with Intraocular Lens Implant in Patients with Diabetes Mellitus

Color Vision Outcome after Phacoemulsification with Intraocular Lens Implant in Patients with Diabetes Mellitus

Visual Function Tests as cost Effective Screening Tools For Diabetic Retinopathy

Diabetes is a Complex Neurological, Multisystemic, Multipathological and Polygenomic Disorder: the Use of Strannik Software as an Effective Modality to Illustrate Its Complexity

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