New classification of ocular foreign bodies.

Area of Science:

• Ophthalmology
• Medical Imaging
• Trauma Surgery

Background:

• Current classification of ocular foreign bodies (FBs) into intraocular (IOFB) and extraocular (EOFB) is considered oversimplified.
• Ocular trauma encompasses injuries to the ocular adnexa, necessitating a more comprehensive classification system.

Purpose of the Study:

• To propose a novel, more detailed classification system for ocular foreign bodies.
• To incorporate adnexal foreign bodies and intramural foreign bodies into the classification.
• To replace existing IOFB and EOFB terminology with intraglobal foreign body (IGFB) and extraglobal foreign body (EGFB).

Main Methods:

• Review and analysis of existing foreign body classification systems.
• Development of a new classification based on precise anatomical location of foreign bodies.
• Inclusion of adnexal structures (orbit, lids, conjunctiva, lacrimal apparatus) and intramural locations (cornea, sclera).

Main Results:

• A proposed classification system that categorizes foreign bodies based on their exact location within or around the globe.
• Introduction of the term 'intramural foreign body' (IMFB) for FBs within the cornea or sclera.
• Renaming of IOFB to IGFB and EOFB to EGFB to better reflect the scope of ocular trauma.

Conclusions:

• The proposed classification provides a more accurate and comprehensive approach to categorizing ocular foreign bodies.
• This refined system improves the understanding and management of ocular trauma involving foreign bodies.
• Adoption of IGFB and EGFB terminology enhances clarity in describing foreign body locations relative to the ocular globe.