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Collyrium
Collyrium
Collyrium
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In eye care, collyrium is an antique term for a lotion or liquid wash used as a cleanser for the eyes, particularly in diseases of the eye. The word collyrium comes from the Greek κολλύριον, eye-salve. The same name was also given to unguents used for the same purpose, such as unguent of tutty (Sanskrit tuttha meaning variously zinc oxide or blue vitriol). Lastly, the name was given, though improperly, to some liquid medicines used against venereal diseases.

Pre-modern medicine distinguished two kinds of collyriums: the one liquid, the other dry. Liquid collyriums were composed of ophthalmic powders, or waters, such as rose-water, plantain-water, that of fennel, eyebright, etc., in which was dissolved tutty, white vitriol, or some other proper powder. Dry collyriums were pastilles of Rhasis, sugar-candy, iris, tutty prepared and blown into the eye with a little pipe.[1]

The 2nd century Mishnah mentions collyrium. The Sunan Abu Dawood reports, "Prophet Muhammad said: 'Among the best types of collyrium is antimony (ithmid) for it clears the vision and makes the hair sprout.'"[2] Maimonides[3] (12th century Egypt) mentions the use of this eye salve.

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Collyrium

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Collyrium is a medicated preparation applied to the eyes, typically in the form of a , ointment, or used to treat various ocular conditions such as , infections, and cataracts in ancient . The term derives from kollyrion, a of kollyra meaning "loaflike ," reflecting the original practice of shaping the substance into small rolls or sticks that could be dissolved in liquid or applied directly. In Latin, it was adopted as collyrium, encompassing eye washes and suppositories, with its earliest recorded use in dating to the . In ancient Greek and Roman medicine, collyrium held significant importance as a primary treatment for eye ailments, which were prevalent due to environmental factors like dust, smoke, and poor hygiene. Roman oculists, specialized eye doctors, prescribed and produced collyria using ingredients such as zinc compounds for anti-inflammatory effects, animal fats as bases, and herbal extracts like pine resin for soothing properties. These preparations were often inscribed with recipes via small stone stamps known as collyria seals, which bore the physician's name and the salve's type, ensuring standardization and branding; hundreds such artifacts have been discovered across the Roman Empire. Archaeological evidence, including intact collyrium tablets from a 2,000-year-old shipwreck off the Italian coast analyzed in 2013, confirms their composition and efficacy as eyewashes, highlighting the advanced pharmaceutical knowledge of the era. Texts by physicians like and describe hundreds of collyrium variants, with alone documenting over 200, some tailored for specific symptoms such as tearing or cloudiness, underscoring the eye's cultural and medical priority in antiquity. While modern equivalents have largely replaced these ancient remedies, collyrium persists in traditional systems like as Anjana for eye care and in etymological traces within .

Definition and Etymology

Definition

Collyrium is an ancient term for a medicinal preparation, encompassing lotions, liquid washes, salves, ointments, or pastes primarily used as a or therapeutic agent for the eyes, particularly in treating various eye diseases such as , ulcers, and . These preparations were commonly applied directly to the eye to alleviate symptoms and promote healing, reflecting the pharmacological practices of Greek, Roman, and later traditions. While collyrium was chiefly an eye medicament in antiquity, its application occasionally extended beyond ocular use to include poultices for wounds or suppositories for other ailments, demonstrating its versatility in ancient . The term derives from kollyrion, meaning "little loaf," which alluded to the rolled, bread-like shape of some solid forms. In contrast to modern , which are typically sterile, aqueous liquids designed for precise instillation, ancient collyria often featured thicker, semi-solid consistencies like ointments or pastes, sometimes colored (e.g., ) and containing a range of natural or mineral ingredients applied more directly and robustly. This form allowed for sustained contact with the ocular surface but lacked the sterility and standardization of contemporary formulations.

Etymology

The term collyrium derives from the Ancient Greek kollyrion (κόλλυριον), a diminutive of kollyra (κόλλυρα), denoting a small round loaf or roll of coarse bread. This etymological root reflects the preparation of the substance into compact, cylindrical forms resembling such loaves, which facilitated its application as a medicinal preparation. The Greek term was borrowed into Latin as collyrium during the classical period, where it primarily signified an eye salve or suppository, though it could also refer more broadly to a poultice. By the Hellenistic era, kollyrion had undergone a semantic specialization, evolving from a general term for rolled medicinal pastes to one specifically associated with ocular treatments in medical literature. Entering around the late through translations of Latin medical texts, such as John Trevisa's rendering of Bartholomew Anglicus's De Proprietatibus Rerum (c. 1398), collyrium retained its connotation as an or . The word's legacy extended into , influencing terms like Spanish colirio, which denotes modern and preserves the original association with ocular remedies.

Historical Development

Ancient Greek Origins

The term collyrium appears in the medical literature of from the classical period. The , a compilation of texts dating primarily to the 5th and 4th centuries BCE, describes eye salves or washes prescribed for conditions such as inflammations, cataracts (hypochysis), and infections. These early formulations emphasized topical applications to address ocular discomfort, with specific recipes involving ingredients like , , and cadmia mixed into pastes or liquids—as exemplified by Diagoras of Cyprus's rose collyrium—for direct application to soothe irritated tissues and promote healing. Within the framework of humoral theory central to Hippocratic medicine, collyria served to rebalance the body's fluids—particularly in the eyes, where excess or was believed to cause —through carefully proportioned plant-based preparations that dried, cooled, or purged imbalances. These remedies aligned with the broader principle of restoring equilibrium among , , yellow , and black bile, often using washes derived from to counteract perceived humoral excesses like leading to swelling or opacity. Key advancements in Greek ophthalmology are evident in the works of later physicians, such as Pedanius Dioscorides, whose (ca. 60–70 CE) systematically cataloged numerous collyrium recipes, detailing their uses for clearing visual obstructions and treating eyelid disorders while building on earlier traditions. of (129–c. 216 CE), a prolific compiler of Greek medical knowledge, frequently referenced these antecedents—including Dioscorides and pre-Hellenistic sources—in his treatises on simples and compounds, thereby preserving and refining the Greek approach to collyria as integral to humoral-based eye care.

Roman and Later Classical Uses

In the from the 1st to 5th centuries CE, collyrium proliferated as a staple in ophthalmic care, addressing prevalent conditions such as and while serving as prophylactic washes to prevent infections in dusty or unsanitary environments. Archaeological evidence from collyrium stamps—small engraved stones used to mark medicinal cakes—demonstrates its widespread distribution and export across provinces, with concentrations in , Britain, and , as well as military sites, indicating standardized production and trade networks that facilitated access in remote areas. Roman physicians adapted Greek foundational recipes into practical applications, notably in his 1st-century CE treatise De Medicina, where he detailed collyria for post-surgical aftercare following procedures like eyelid scraping for or cataract couching. prescribed specific formulations, such as the mild Nileus collyrium mixed with milk or egg for reducing inflammation after , emphasizing gentle application via lint to promote healing without irritation. This integration of Hellenistic knowledge underscored collyrium's role in bridging theoretical with Roman surgical innovation. The cultural dissemination of collyrium extended to high-risk settings within the empire, including military camps and gladiatorial arenas, where it provided against dust, debris, and combat injuries. Seals inscribed for treatments have been recovered from forts, suggesting routine use among soldiers to mitigate from environmental exposure, while similar remedies likely aided gladiators in maintaining amid arena hazards.

Medieval and Early Modern Applications

During the from the 8th to 13th centuries, collyrium practices were preserved and refined in medical literature, building on classical foundations while adapting to regional needs in the treatment of eye ailments. Physicians such as translated and expanded Greek and Roman texts, leading to specialized works on that emphasized collyria as key remedies for conditions like , , and . In Avicenna's (completed in 1025), eye salves and washes—often termed kuḥl or collyria—were recommended for inflammatory and infectious eye issues, incorporating ingredients like , juice, oil, and to soothe irritation and promote healing. These formulations were particularly adapted for epidemic-related ocular complications, such as those arising from plagues, where humoral imbalances were believed to exacerbate eye infections; for instance, white collyrium was prescribed for potentially linked to contagious fevers. The Canon and similar texts, like Ali ibn Isa's Tadhkirat al-Kahhalin (c. 1010), detailed over 130 eye conditions with collyrium recipes, including dry powders rolled into rods for application and liquid washes for broader cleansing, reflecting a sophisticated pharmacopeia that influenced oculists (kahhals) across the Islamic world. Copper-based collyria, such as the Collyrium of Copperas, were used for pterygium and other growths, combining mineral salts with organic binders to reduce inflammation without surgery. This era's emphasis on empirical observation and compound drugs ensured collyria's role in preventive care, such as sharpening vision amid dusty environments or during outbreaks, marking a continuity from antiquity with innovations in compounding and application. In the European Renaissance from the 14th to 17th centuries, the rediscovery of and classical texts via translations fueled a revival of collyrium use, disseminated through printed herbals that standardized recipes for domestic and professional application. Works like those of William Turner (A New Herball, 1551) and John Gerard (The Herball, 1597) described collyria as soothing washes or ointments for inflamed eyes, often using plant decoctions like or rosewater to alleviate redness and discharge. commonly prepared these for induced by , a rampant venereal causing secondary eye infections; mercury-infused collyria, adapted from Paracelsian chemistry, were applied topically to counter syphilitic ulcers and pustules on the eyelids or , reflecting the era's blend of humoral and emerging chemical approaches. This period saw collyria integrated into guild-regulated practices, where they served both curative and cosmetic purposes, such as dilating pupils for aesthetic effect while treating pathological conditions. Printed s promoted , allowing lay practitioners to prepare simple versions with accessible ingredients like and infusions, though professional oculists favored complex formulations to address syphilis-related complications like . Despite efficacy limitations, these applications underscored collyria's persistence as a frontline treatment amid the era's pluralism. By the 18th century, the rise of —exemplified by Antonie van Leeuwenhoek's observations of microorganisms—and the formulation of germ theory by and in the late marked the decline of traditional collyria, as empirical evidence shifted focus from humoral salves to targeted agents. Collyria persisted in 18th-century European practices for symptomatic relief, such as calomel-based washes for chronic inflammations, but their unscientific compositions were increasingly critiqued for inefficacy against bacterial pathogens. In folk medicine, collyria endured into the , particularly in rural and among itinerant healers, using legacy recipes for minor irritations until Joseph Lister's antiseptic techniques (1867) and carbolic acid solutions supplanted them with sterile, germicidal alternatives. This transition highlighted collyria's obsolescence in professional , though their legacy informed early modern .

Preparation and Composition

Common Ingredients

Collyrium formulations throughout ancient Greek, Roman, and Mediterranean traditions commonly incorporated plant-based ingredients valued for their anti-inflammatory and antiseptic properties. Myrrh, derived from the resin of Commiphora trees, was frequently used for its purported ability to reduce inflammation and combat infection in eye treatments, often appearing in salves combined with other resins. Saffron, obtained from Crocus sativus stigmas, served similar roles, providing mild antiseptic effects and aiding in the dispersal of ocular collections when mixed into pastes or liquids. Honey acted as both a preservative and an emollient with natural antibacterial qualities, binding other components in collyria to soothe irritated tissues and prevent spoilage. Aloe, particularly its gel from Aloe vera or related species, contributed soothing and hydrating effects, helping to alleviate dryness and irritation in eye remedies documented in Egyptian-influenced texts. Mineral compounds provided astringent and stabilizing elements in collyrium preparations, drawing on their capacity to constrict tissues and promote healing. Zinc oxide, a white powdery substance, was a staple for its mild astringency and opacity, which helped in coating the eye to reduce swelling and protect against light sensitivity, as seen in recipes like the salve of . , or basic , offered stronger and actions, tightening ocular membranes and deterring bacterial growth, though its use required careful dilution to avoid toxicity. Animal-derived ingredients appeared less commonly, primarily as bases to enhance emolliency and absorption. Fats such as , goose fat, or calf's marrow were employed to create smooth, spreadable consistencies that moisturized the eye without causing further irritation. , often from goats or oxen, was used sparingly for its purported detoxifying and purgative effects in rare ocular fluxes, mixed with to temper its harshness. Regional variations, particularly in the , incorporated resin for additional anti-inflammatory benefits, leveraging its aromatic compounds to calm inflamed tissues in localized formulations.

Forms of Application

Collyrium was administered in various physical forms tailored to the needs of ocular treatment, with methods evolving from direct solid applications to more fluid preparations for and soothing. One primary form consisted of rolled salves, where medicinal ingredients were compressed into small cylindrical sticks or , which could be dissolved in liquid or applied as a paste directly to the eye surface using a probe to release the active components. This cylindrical shape, reminiscent of term's etymological origin in "small round loaves," allowed for precise dosing and targeted delivery to affected areas of the eye. Liquid washes represented another key method, involving the dilution of collyrium ingredients into solutions applied as eye irrigants to cleanse and medicate the ocular surface. These were typically administered using absorbent materials like sponges, twisted lint, or rudimentary dropper tools, such as probes or quills, to gently flush irritants or apply the wash drop by drop. This approach was particularly suited for inflammatory conditions, providing a non-invasive means to soothe and treat without mechanical insertion. Stamped tablets offered a standardized solid variant, molded into pre-measured, compact discs or blocks imprinted with the oculist's mark to indicate dosage, , and branding for authenticity. Prior to use, these tablets were crushed or dissolved in water, sometimes augmented with egg or , to create a suspension or paste that could then be applied via or wash, ensuring controlled administration and minimizing variability in treatment strength.

Evidence and Artifacts

Collyrium Stamps

Collyrium stamps were small, rectangular or square stone tools, typically measuring 2 to 4 cm in length, used by Roman oculists to imprint identifying marks on semi-solid eye ointment preparations known as collyria before they hardened. Crafted from materials such as greenish or steatite, these stamps featured engraved intaglio inscriptions on their edges, often in Latin or Greek, which included the name of the , the prescribing physician, and the medical indication, such as treatment for (lippitudo) or . For instance, one stamp from Kenchester, Britain, bore the inscription "T. VINDAC ARIOVISTI AMCET" alongside "SEMUR" and "SENI," likely referencing the oculist Vindacius and specific salve types like nard-oil or green salve. Another example from read "IVLIALEXANDRI DIAMYADASP," indicating a remedy by Iulius for eye roughness (aspritudo). Nearly 300 such stamps have been discovered across the , with the majority concentrated in northern provinces like , where they are more abundant than in any other region, followed by finds in , Britain (approximately two dozen examples), and during the 1st to 4th centuries CE. These artifacts were employed by specialized eye doctors to authenticate their products, ensure proper dosing, and facilitate identification in , reflecting a standardized approach to ophthalmic remedies. The stamps provide crucial evidence of the professionalization of within the Roman medical system, as their detailed inscriptions suggest a guild-like structure among oculists who branded their proprietary recipes. Bilingual engravings in Greek and Latin highlight the multicultural influences across the , adapting Hellenistic medical knowledge to provincial contexts. Their prevalence in further indicates regional variations in eye care practices, possibly blending Roman techniques with local Celtic traditions.

Shipwreck and Other Discoveries

One of the most significant archaeological discoveries related to collyrium occurred in the Pozzino shipwreck, dated to approximately 140–130 BCE and located in the Baratti Gulf near , , , at a depth of 18 meters. Excavations uncovered six flat, discoid tablets, each about 4 cm in diameter and 1 cm thick, preserved in a tin box alongside surgical instruments, suggesting they formed part of a medical kit likely belonging to a Greek physician. Analysis using with (SEM-EDX), (FTIR), (XRD), gas chromatography-mass spectrometry (GC/MS), and botanical revealed the tablets' composition: primarily hydrozincite ( hydroxycarbonate) and (), with traces of and iron oxides, alongside organic elements including , animal and plant , , and . The high content and tablet form indicate these were eye salves (collyria), intended for ophthalmic application to treat infections, leveraging the antibacterial properties of compounds. Beyond shipwrecks, collyrium stamps have been found in healing sanctuaries, where they were sometimes used as votive offerings, blending medical and religious practices. Grave goods from Greco-Roman burials occasionally include similar eye salve containers or residues, providing evidence of personal medical provisions in funerary contexts. Egyptian medical papyri, including texts from the Roman period, describe eye salve recipes with overlapping ingredients like flakes, , , and for treating discharges and , corroborating the Greco-Roman finds and highlighting continuity in ancient ophthalmic practices. Preservation of collyrium artifacts poses challenges, as organic components like , resins, and often degrade due to exposure to oxygen, moisture, and microbial activity over , leaving primarily inorganic traces such as carbonates for modern analysis. In anaerobic underwater environments like the Pozzino site, however, these materials remain remarkably intact, enabling detailed chemical profiling that confirms their therapeutic intent.

References

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