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At least 37 records · Page 2Linked to original sources

Anatomy and physiology of eyelash follicles: relevance to lash ablation procedures.

BACKGROUND: This study aimed to define the anatomy of the eyelash follicles in order to improve methods of selective lash ablation. MATERIALS AND METHODS: Dimensions of eyelash follicles were determined from histological specimens of the upper and lower lids of 10 patients. For one of these patients, the eyelash follicles were categorized as quiescent or actively growing, according to standard hair-cycle morphology. RESULTS: Follicle dimensions were (mean +/- SD): upper lid follicle depth, 1.8 +/- 0.3 mm; bulb width, 188 +/- 44 microns; shaft width, 205 +/- 28 microns; lower lid follicle depth, 0.9 +/- 0.2 mm; bulb width 132 +/- 19 microns; and shaft width, 158 +/- 26 microns. The upper lid comprised 41% active follicles compared to 15% in the lower lid. CONCLUSIONS: There are significant differences in the anatomy of the follicles between the two lids. For an electrolysis needle to completely contact 95% of all follicles, it must be inserted 2.4 mm into the upper lid and 1.4 mm into the lower lid (mean depth +2 SD). Argon laser ablation requires a beam width of < 200 and < 250 microns for the lower and upper lids, respectively, to treated similar depths as electrolysis. The higher proportion of actively growing upper lid follicles explains why upper lid lashes are longer.

Electrolysis↗

Treatment of trichiasis and distichiasis by eyelash trephination.

PURPOSE: To describe the methods and results of a new technique of eyelash trephination for treatment of trichiasis and distichiasis. METHODS: The medical records of all patients who underwent eyelash trephination by the authors to treat trichiasis or distichiasis were reviewed. Gender, diagnosis, number of eyelids treated, follow-up time, and surgical outcome were recorded. The technique involves boring of the affected lash follicle with a microtrephine, followed by removal of the follicle. RESULTS: The procedure was performed on 41 eyelids of 26 patients (15 females and 11 males). Patients were followed for 6 to 51 months after surgery. No recurrence was observed in 16 patients (62%) during this period. There were no adverse effects of the therapy. CONCLUSIONS: Eyelash trephination is a safe, quick, and effective method of treatment for trichiasis and distichiasis.

Adolescent↗

Inert intraocular eyelash foreign body following phacoemulsification cataract surgery.

INTRODUCTION: We describe the first reported case of tolerated eyelash inoculation following phacoemulsification surgery, with 4 years follow-up, that did not result in endophthalmitis or low grade chronic uveitis. CASE REPORT: A 79-year-old man with bilateral cataracts underwent phacoemulsification and posterior chamber intraocular lens implantation in the right eye. Three months later, he was found to have an eyelash within the right anterior chamber. The patient opted to leave his asymptomatic right eye alone. Four years later, he was referred to our hospital for review of his intraocular foreign body. He had remained asymptomatic with bilateral 6/6 vision, and without pain, photophobia or monocular diplopia. He declined surgery to remove the foreign body and opted for annual review. DISCUSSION: Intraocular implantation of cilia is a rare surgical complication following cataract surgery. The reaction of the eye to cilia has been reported to be variable and unpredictable, varying from absolute lack of reaction to endophthalmitis. Careful preoperative preparation can prevent similar incidents with potential complications. The position of the cilium is an important consideration. In contrast to other organic materials, a cilium is relatively inert and is rarely associated with infection. Acute inflammation most commonly occurs within days or after a few months, although the eye can tolerate the cilium for many years. Some ophthalmologists prefer observation, particularly when there is no inflammation present. We believe that each patient should be considered on an individual basis. The decision to remove an intraocular eyelash remains controversial and should be considered at the onset of inflammatory or infective clinical signs.

Aged↗

Complications of eyelash and eyebrow tattooing: reports of 2 cases of pigment fanning.

Eyelash and eyebrow tattooing are commonly performed procedures that have a very low rate of reported complications. We describe one case of infraorbital pigmentation after eyelash tattooing and another of periorbital pigmentation after eyebrow tattooing. Although most complications related to eyelash and eyebrow tattooing, including pigment fanning, have been reported by ophthalmologists, pigment fanning is also of concern to dermatologists.

Adult↗

The true rate of success in argon laser eyelash thermoablation.

Argon laser thermoablation has a success rate of 50% typically, when success is defined as an absence of recurrence of any eyelash per lid treated. When success is redefined as an absence of recurrence per eyelash treated, the success rate increases to 76% to 93%. Laser thermoablation potentially offers selective eyelash ablation with minimal inflammation and adjacent tissue damage. Its true rate of success may be better than previously indicated.

Eyelashes↗

An unusual adverse effect of interferon: hypertrichosis of the eyelashes.

Hypertrichosis of the eyelashes is a rare adverse effect of interferon-alpha treatment. We present a 21-year-old man with chronic renal failure and hepatitis B virus (HBV) infection who developed hypertrichosis of the eyelashes as a complication of IFN-alpha therapy. The patient was a candidate for living related renal transplantation and was given IFN-alpha 15 million units per week for HBV DNA positivity. After 6 months of therapy, HBV DNA positivity persisted, and the dose of IFN was increased to 30 million units per week. At the end of the first half of the second 6 months of therapy, the patient suffered from bilateral hypertrichosis of the eyelashes.

Adult↗

Inverted eyelashes in patients with type 1a glycogen storage disease.

We examined three adult Japanese patients who had a history of decreased hepatic glucose-6-phosphatase activity. All three patients had increased bilateral subcutaneous (SC) fat in the lower eyelids and inverted eyelashes. One patient additionally showed retinal hemorrhages and microaneurysms in both fundi. The inverted eyelashes may have been related to type 1a glycogen storage disease.

Adipose Tissue↗

Ocular argyrosis after long-term self-application of eyelash tint.

PURPOSE: To report cases of ocular argyrosis that developed after long-term self-application of commercially available eyelash tint. DESIGN: Observational case series. METHODS: Case review, clinicopathologic analysis, and literature review. RESULTS: Three patients developed ocular argyrosis after the long-term self-application of Revlon Professional Roux Lash and Brow Tint (Colomer USA Corp, New York, New York, USA). Clinical evaluation revealed various degrees of silver deposition on the upper eyelid, lid margin, caruncle and conjunctiva, and diffuse Descemet's membrane deposits. In one case, histologic examination demonstrated silver deposition in the basement membrane and superficial substantia propria of the conjunctiva. CONCLUSIONS: Argyrosis can occur after long-term application of readily available eyelash tints, and the deposition of silver may be permanent. In certain circumstances, conjunctival argyrosis may simulate benign and malignant lesions, including conjunctival melanoma. These products should only be applied by trained cosmetologists.

Aged↗

Unilateral poliosis of the eyelashes in children associated with vitiligo.

Two children developed sudden progressive unilateral poliosis of their eyelashes during the course of a 1-month period. The poliosis occurred in the absence of any associated condition apart from vitiligo, both of which have remained isolated findings after 2 and 4 years of follow-up, respectively. Although it is important to exclude associated conditions, poliosis of the eyelashes may be a benign condition that may remain unilateral.

Child↗

An eyelash nidus for dacryoliths of the lacrimal excretory and secretory systems.

We treated two patients with dacryolithiasis secondary to an eyelash. The first patient underwent dacryocystorhinostomy for a stone within the lacrimal sac. In the second patient the dacryolith was removed from a lacrimal gland ductule. Eyelashes found in the tear film or conjunctival fornices during routine examination should be removed to prevent the possible occurrence of dacryolithiasis.

Adult↗

An experimental study to compare methods of eyelash ablation.

Epilation, electrolysis, cryotherapy, and argon laser thermal ablation were used to remove eyelashes of rabbits. Epilation and electrolysis were done in the standard fashion. Nitrous oxide cryotherapy was applied in a double rapid-freeze/slow-thaw manner for either 30 or 60 seconds. Argon laser settings were 1 W, 50-micron spot size, and durations of 0.2, 0.5, or 1.0 second. The rabbits were euthanized immediately, 24 hours, 2 weeks, or 3 months after the procedure. Epilation was followed by total regrowth of eyelashes within 2 weeks. Electrolysis showed focal destruction of follicles with variable regrowth. Cryotherapy resulted in moderate-to-severe eyelid scarring with minimal regrowth. Argon laser thermal ablation produced focal necrosis and variable follicle destruction. Argon laser thermal ablation may be a suitable alternative to electrolysis or cryotherapy in selected cases of trichiasis.

Animals↗

Dysversion of lateral eyelashes in children: a new diagnosis.

We believe that a previously undocumented cause of recurrent red, watery, sore and itchy eyes in children is dysversion of the lateral eyelashes. Diagnosis requires a close examination of the lateral aspect of the eyelids where dysverted lashes are seen to be growing from normal follicles. The lateral lashes are fine, long and flexible. They curve inwards and rub on the conjunctiva and cornea, and cause the above symptoms. Secondary signs include skin changes, recurrent conjunctivitis, and corneal abrasions. Conservative treatment consisting of manual repositioning of the dysverted eyelashes is recommended so that surgery may be avoided. Recognition of the condition by the primary practitioner, and institution of the straightforward treatment described above, can obviate much morbidity. The inappropriate use of topical antibiotics and frequent return visits to the practitioner may also be thus avoided.

Child, Preschool↗

Phthirus pubis infestation of the eyelashes and scalp hairs in a girl.

A 4-year-old girl was seen because of foreign bodies on the eyelashes. Parasites and their nits were seen on the patient's eyelashes and scalp. Her parents denied having Phthirus pubis infection of the axillary, pubic, or body hair, despite confirmation of the infestation in their child. The parasites were removed and the lashes with nits were cut off at the base. The parasite was identified as P. pubis. The scalp was washed with phenothrin shampoo. One month later no P. pubis infestation was found. Removal of the parasites, cutting the lashes at the base, and using phenothrin shampoo on the scalp were effective in resolving phthiriasis.

Child, Preschool↗

Direct internal eyelash bulb extirpation for trichiasis.

PURPOSE: To evaluate the success of internal eyelash bulb extirpation in the management of trichiasis. METHODS: The procedure was performed on 26 consecutive eyelids. RESULTS: Our technique was successful in all cases, with no recurrence of signs or symptoms. CONCLUSIONS: Internal eyelash bulb extirpation is a safe and effective technique to remove trichiatic lashes, while avoiding injury to the conjunctiva.

Eyelashes↗

Acquired eyelash trichomegaly and alopecia areata in a human immunodeficiency virus-infected patient.

We describe a human immunodeficiency virus (HIV) seropositive man with acquired eyelash trichomegaly and alopecia areata. This combination of clinical manifestations is intriguing since the new onset of elongated eyelashes in patients with acquired immunodeficiency syndrome has usually been associated with severe immunosuppression and alopecia areata has a presumed autoimmune etiology that requires T cell activation. The occurrence of these dichotomous conditions illustrates the potential selective pathogenesis of progressive HIV infection.

Adult↗

Eyebrow loss, eyelash loss, and dermatochalasis.

The eyebrows, eyelashes, and eyelids are important protective structures for the eye and are also of considerable cosmetic value. The dermatologist should understand the available cosmetic and surgical techniques for helping patients with eyebrow loss, eyelash loss, and dermatochalasis.

Cosmetics↗

Eyelash complications in the anterior chamber.

A 9-year-old child was admitted because of a penetrating corneal wound with a solitary eyelash in the anterior chamber. Anterior uveitis, posterior synechias, and localized anterior subcapsular cataract subsequently developed. As the latter complications did not respond to conservative treatment, the eyelash was removed surgically. The expected complications of an intraocular cilium and the surgical indications for its removal are discussed in detail.

Anterior Chamber↗

[Eyelashes in the eyeball after trauma].

The authors presented 3 cases of intraocular eyelashes, which entered into the eyeball during perforative injuries. Risk factors of such complications as well as clinical course and treatment are discussed. Reaction of the eye to this kind of foreign body was relatively weak. Difficulties in finding eyelashes during primary surgical procedure after trauma are emphasized.

Adult↗