Smart Scaffolds: Smart Choice in Oculoplastic Surgery, Suggests Review

Traditionally, surgeons relied on grafts such as fascia lata, hard palate mucosa, and auricular cartilage, but these materials are frequently limited by donor site morbidity, inconsistent structural integrity, and variable resorption; consequently, Dr. Harshika and fellow researchers from the Regional Institute of Ophthalmology, Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences (PGIMS), aimed to evaluate the transition from these conventional methods to advanced biomaterials.

Therefore, the comprehensive narrative review synthesizes previously published literature to compare the efficacy of traditional autografts against synthetic and bioengineered interventions, evaluating primary endpoints like tissue integration, infection rates, and biocompatibility across diverse populations such as pediatric anophthalmic patients and those requiring orbital fracture repair.

Key Clinical Findings of the Review Include:----

• Resorption Dynamics: Research highlights that autologous dermis-fat grafts provide excellent compatibility but are hindered by volume loss of 25% to 50%, often necessitating significant intraoperative overcorrection

• Fibrovascular Integration: Research demonstrates that Porous Polyethylene (PPE) serves as a cornerstone for orbital restoration due to its ability to promote host tissue ingrowth, although clinicians must remain vigilant regarding a 15% exposure rate in compromised tissue

• Customised Restoration: Research proves that Three-dimensional (3D) printed custom implants manufactured from titanium or polymers provide superior anatomical symmetry and enophthalmos reduction compared to standard preformed plates

• Biodegradable Advantage: Research indicates that resorbable materials like Polycaprolactone (PCL) offer temporary structural support that degrades as host tissue regenerates, effectively eliminating long-term foreign body complications while requiring monitoring for degradation-induced localised acidity

• Bioactive Functionality: Research confirms that smart drug-eluting scaffolds, particularly those loaded with dexamethasone, show significant promise in actively reducing postoperative inflammation and fibrosis in posterior lamellar eyelid reconstruction

The results suggest that the evolution toward intelligent biomaterials offers more durable and aesthetic outcomes, specifically addressing the 40% to 60% fat resorption observed within six months of traditional grafting.

Thus, the review concludes that clinicians may find that adopting these advanced scaffolds allows for more personalized and effective surgical outcomes while minimizing the need for invasive donor site harvesting.

While the study underscores the potential of these innovations, the current lack of large-scale comparative clinical trials and long-term safety data remains a primary limitation, highlighting a critical need for future research into stem-cell-seeded matrices and artificial intelligence-guided design protocols.

Reference

Harshika, Nada M, Kumar J. From grafts to smart scaffolds: Advances in biomaterials for eyelid and orbital reconstruction. Delhi J Ophthalmol 2026;36:4-11