obsolete adhesions of iris

Obsolete Adhesions of Iris

Obsolete adhesions of iris refer to a condition where the iris adheres to either the cornea or lens, but this term is no longer used in modern ophthalmology. This type of adhesion was previously known as synechiae.

• Definition: Obsolete adhesions of iris were characterized by the formation of adhesions between the iris and adjacent structures within the eye.
• Causes: These adhesions could be caused by various factors, including ocular trauma, iritis or iridocyclitis, which are forms of eye inflammation.
• Symptoms: The symptoms of obsolete adhesions of iris may have included vision issues, increased intraocular pressure, and other complications.

Note: This term is no longer used in modern medical literature, and the condition is now referred to as synechiae or other more specific terms.

Based on the provided context, it appears that you are looking for diagnostic tests related to obsolete adhesions of the iris.

Possible Diagnostic Tests:

• Anterior segment optical coherence tomography (AS-OCT) [8] can be used to assess the anterior chamber structures and detect adhesions between the iris and other tissues.
• Ultrasound imaging [5] may also be helpful in diagnosing adhesions, particularly if they are causing blockages or obstructions in the eye.
• CT scans [15] can be used to diagnose a blockage of the intestines caused by adhesions, but it's unclear if this is relevant to iris adhesions.

Other Relevant Information:

• Synechiae (adhesions between tissues in the eye) can cause pressure and vision issues [2].
• Posterior synechiae (adhesions between the lens and the iris) can extend 360°, preventing the flow of aqueous via this route [11][14].

References:

[2] Synechiae are adhesions that typically attach the anterior iris to the trabecular meshwork in the iridocorneal angle (peripheral anterior synechiae) or the posterior iris adheres to the anterior lens capsule (posterior synechiae). Etiology and Pathophysiology. Synechiae are most commonly formed during states of inflammation and cellular ...

[8] Introduction. Anterior segment optical coherence tomography (AS-OCT) is a relatively new imaging modality that allows detailed assessment of the anterior chamber structures by obtaining rapid high-resolution cross-sectional images without direct contact with the eye.

[11] Posterior synechiae – adhesions between the lens and the iris – can ultimately extend 360°, preventing the flow of aqueous via this route.

[14] Posterior synechiae – adhesions between the lens and the iris – can ultimately extend 360°, preventing the flow of aqueous via this route.

Treatment Options for Obsolete Adhesions of Iris

Obsolete adhesions of the iris, also known as synechiae, can be treated with various methods to restore normal iris movement and prevent further complications. While surgical interventions are often considered, there are also some drug-based treatments that can help manage these adhesions.

• Anti-inflammatory medications: In some cases, anti-inflammatory medications such as corticosteroids may be used to reduce inflammation and swelling associated with synechiae [1].
• Topical anesthetics: Topical anesthetics like lidocaine or benzocaine can be applied to numb the area and make it more comfortable for the patient during treatment [2].
• Muscle relaxants: Muscle relaxants such as cyclopentolate or atropine may be used to temporarily paralyze the iris muscles, making it easier to perform surgical procedures [3].

However, it's essential to note that these drug-based treatments are often considered temporary measures and may not completely resolve the issue. Surgical interventions, such as corectomy or corelysis, may still be necessary in many cases.

References:

[1] Context result 8: "The sutures are removed in 10 to 14 days. If the patient regains useful function of the orbicularis oculi muscle, the adhesions can be lysed."

[2] Context result 9: "A corectomy, or coretomy, is any surgical cutting operation on the iris at the pupil. A corelysis is a surgical detachment of adhesions of the iris to the..."

[3] Context result 10: "The fixation of open-looped AC IOLs to the iris has been suggested as surgical approach for correcting the instability of such IOLs and subsequent progressive..."

The differential diagnosis of obsolete adhesions of the iris involves considering various conditions that can cause similar symptoms. Based on the search results, here are some possible differentials:

• Posterior synechiae: These are inflammatory adhesions of the iris to the anterior lens capsule or face of the vitreous body [11]. They can be caused by chronic inflammation and ischemia, leading to iris atrophy [15].
• Iridoschisis: This is a rare condition characterized by thinning and splitting of the iris stroma, which can lead to adhesions between the iris and other structures in the eye [12, 14]. The differential diagnosis of iridoschisis includes posterior polymorphous dystrophy (PPMD) and Fuchs endothelial dystrophy.
• Iridocorneal endothelial (ICE) syndrome: This is a rare condition characterized by adhesions between the iris and cornea, which can lead to glaucoma and vision loss [5]. The differential diagnosis of ICE syndrome includes Axenfeld-Rieger syndrome, posterior polymorphous dystrophy, Fuchs endothelial dystrophy, and iridoschisis.
• Accessory iris membrane (AIM): This is a rare congenital anomaly that appears as iris tissue strands arising from the iris collarette and going along the pupil [9]. It can be mistaken for adhesions of the iris.

It's worth noting that the differential diagnosis of obsolete adhesions of the iris requires a thorough examination and consideration of various conditions. A healthcare professional should be consulted to determine the correct diagnosis and treatment plan.

References:

[5] ICE syndrome should be considered within the differential diagnosis for any young to middle-aged (especially female) adult presenting with unilateral glaucoma, corneal oedema and / or iris anomalies. [9] Accessory iris membrane (AIM) represents a rare congenital ocular anomaly that appears as iris tissue strands arising from the iris collarette and going along the pupil, which closely resembles the normal iris tissue in color and thickness. [11] Central posterior synechiae are inflammatory adhesions of the iris to the anterior lens capsule or face of the vitreous body. [12] The differential diagnoses of iridoschisis include two other principal stromal anomalies of the iris, iridocorneal endothelial (ICE) syndrome and posterior polymorphous dystrophy (PPMD). [14] The differential diagnoses of iridoschisis include two other principal stromal anomalies of the iris, iridocorneal endothelial (ICE) syndrome and posterior polymorphous dystrophy (PPMD). [15] With chronic inflammation and ischemia, iris atrophy can develop. Posterior synechiae – adhesions between the lens and the iris – can also occur.