Neuropathic damage in the diabetic eye: clinical implications

Area of Science:

• Ophthalmology
• Neurology
• Endocrinology

Background:

• Diabetes mellitus is a systemic disease with numerous complications.
• Emerging evidence indicates the eye, particularly the retina and cornea, is a target of diabetic neuropathy.
• Diabetic neuropathy can manifest in the peripheral nervous system and potentially the central nervous system, leading to cognitive decline.

Purpose of the Study:

• To review the current evidence on diabetic neurodegeneration in the retina and cornea.
• To explore the clinical implications of ocular neurodegeneration in diabetes.
• To analyze the relationship between retinal and corneal neurodegeneration and peripheral neuropathy and cognitive decline.

Main Methods:

• Literature review of recent studies on diabetic eye complications and neuropathy.
• Analysis of functional and structural changes in the diabetic retina and cornea.
• Examination of the correlation between ocular neurodegeneration and systemic diabetic complications.

Main Results:

• The retina and cornea exhibit structural and functional changes indicative of neuropathy in diabetic patients.
• These ocular changes may serve as early biomarkers for diabetic peripheral neuropathy and cognitive impairment.
• A significant association exists between the severity of diabetic retinopathy and the presence of peripheral neuropathy and cognitive deficits.

Conclusions:

• The eye, specifically the retina and cornea, is a crucial target for diabetic neuropathy.
• Assessing ocular neurodegeneration offers a potential pathway for early risk identification of systemic diabetic complications.
• Further research is needed to elucidate the precise mechanisms and clinical utility of targeting ocular neurodegeneration in diabetes management.