Eye Care Needs in CKD Patients #AcademicAchievements

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Patients with chronic kidney disease (CKD) undergoing hemodialysis represent a uniquely vulnerable population when it comes to ocular health. Despite the known connections between renal and ocular microvasculature, there is a marked lack of standardized screening and referral protocols for eye disease in this group. This summary examines the evidence on unmet eye care needs, common ocular complications, barriers to care, and implications for integrated practice. 🔍🩺 #EyeHealth #CKD

In multiple studies, a high burden of eye disease has been documented among CKD and end-stage renal disease (ESRD) patients on dialysis, yet many patients report that their eye care needs are unmet. For example, in one cross-sectional survey of hemodialysis patients, a majority indicated they had not undergone recent ophthalmic evaluation despite symptoms or risk factors, suggesting gaps in preventive care. (See full report) The overlap of risk factors — such as hypertension and diabetes — further compounds the vulnerability of this population to ocular complications. According to Agrawal et al., self-reported unmet ophthalmic needs are common and awareness of the kidney–eye connection is limited among patients. MDPI

Among the ocular complications seen in dialysis patients, cataracts, diabetic and hypertensive retinopathy, conjunctival calcification, glaucoma, macular edema, retinal detachment, and other posterior segment pathology are frequently observed. PMC+2ResearchGate+2 In one Indian hospital study of ESRD patients on hemodialysis, nearly 83 % of eyes showed at least one ocular abnormality, with cataracts present in half of eyes, and significant associations between dialysis duration and retinopathy or conjunctival changes. Lippincott Journals The metabolic disturbances in CKD—dysregulated calcium and phosphate, uremic toxins, and inflammatory milieu—are thought to contribute to ocular surface and intraocular changes. Thieme+2ResearchGate+2

Hemodialysis itself exerts acute effects on ocular physiology. Fluid shifts may influence intraocular pressure (IOP), central corneal thickness, and ocular blood flow. Several investigations demonstrated that IOP tends to decline modestly after a dialysis session (by about 2–3 mmHg on average), along with reductions in corneal thickness. ResearchGate+2PMC+2 However, these changes are transient and may mask underlying pathology. Flow in retinal and ciliary vessels may transiently change post-dialysis, adding complexity to screening assessments. ResearchGate

Barriers to eye care for CKD patients on dialysis are multifactorial. First, low awareness both among patients and some clinicians about the renal–ocular linkage hampers referral and screening uptake. In surveys, patients have expressed uncertainty about whether their eye symptoms were “normal” or related to kidney disease. Also, logistical constraints—such as frequent dialysis schedules, transportation burden, fatigue, and prioritization of systemic care over eye health—often reduce access to ophthalmologic services. In addition, lack of clear guidelines or protocols integrated into nephrology practice means eye screening is often not built in.

Given the high prevalence of ocular disease and the presence of significant barriers, the evidence supports the implementation of more systematic eye screening and referral frameworks. For instance, developing risk stratification models to identify which dialysis patients should undergo regular ophthalmic evaluation would help. Integration of routine ocular assessment into dialysis centers—perhaps via mobile ophthalmic units, tele-ophthalmology, or partnership with eye clinics—could help to reduce missed diagnoses. Moreover, educational initiatives targeting both nephrologists and patients about the interdependence of kidney and eye microvascular health may enhance uptake.

From a research standpoint, longitudinal studies are needed to clarify causal trajectories: which ocular findings emerge early, how dialysis duration or modality influences progression, and whether early intervention can alter visual outcomes in this group. Further, cost-effectiveness analyses of integrated screening in dialysis populations would help inform policy. Given the severity of visual disability, any strategy that preserves vision can substantially improve quality of life in this medically complex group.

In conclusion, CKD patients on hemodialysis face a disproportionately high risk of ocular disease, yet many have unmet eye care needs. The dynamic physiological changes introduced by dialysis sessions, combined with systemic metabolic derangements and barriers to care, create a complex clinical challenge. Addressing these gaps will require multidisciplinary collaboration, patient-centered planning, and evidence-based protocol development. Vision is a critical component of patient well-being, and neglecting it in the dialysis context undermines holistic care.

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