Capsular Rings

CAPSULAR TENSION RINGS

Capsular Tension Rings (CTRs) are indicated to stabilize weakened, broken or missing zonules, preventing IOL decentration after capsular shrinkage.

The CTR is a PMMA open-ring device with blunt tipped eyelets at either end. The CTR is designed to be implanted into the capsular bag and left permanently in place. CTRs work by imparting a radial expansile force to the equator of the capsular bag. This force is equalized throughout the entire zonula-capsule apparatus, thereby transfering the tension from intact and normal zonules to those areas of zonular weakness or absence. By increasing overall bag stability, the risk of intraoperative complications is reduced. In addition, the tension imparted to the entire bag with a CTR decreases postoperative capsular contraction (phimosis) as well as posterior capsular opacification and improves IOL centration. CTRs have no effect on the refractive results of cataract surgery. Whether or not a CTR will decrease the rate of late IOL/bag subluxation is still being evaluated and debated. In order to be most effective, the CTR should be larger in diameter than the capsular bag. Ultrasound biomicroscopy has shown that a correctly placed CTR lies between the IOL haptic and the ciliary body with no iris touch and that its position is stable, safe and consistent.


 

Type 14

Size (open)12.3 mm
Size (compressed)10.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialCLEAR PMMA
Media

Surgery Video

 

Type 14C

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialCLEAR PMMA
Media

Surgery Video

 

Type 14A

Size (open)14.5 mm
Size (compressed)12.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialCLEAR PMMA
Media

Surgery Video

 

Type 13

Size (open)12.3 mm
Size (compressed)10.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialBLUE PMMA
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
 

Type 13A

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialBLUE PMMA
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
 

Type 13B

Size (open)14.5 mm
Size (compressed)12.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960,
Eye Technology I-9006
MaterialBLUE PMMA
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
 

Type 13S

Size (open)10.5 mm
Size (compressed)9.0 mm
Zonular Damageup to 4 hours (120°)
Injector (recommendation)GEUDER G-32960, Eye Technology I-9006
MaterialCLEAR PMMA
EYEJET CTR - PRELOADED CAPSULAR TENSION RINGS

Capsular Tension Rings (CTRs) are indicated to stabilize weakened, broken or missing zonules, preventing IOL decentration after capsular shrinkage.

The CTR is a PMMA open-ring device with blunt tipped eyelets at either end. The CTR is designed to be implanted into the capsular bag and left permanently in place. CTRs work by imparting a radial expansile force to the equator of the capsular bag. This force is equalized throughout the entire zonula-capsule apparatus, thereby transfering the tension from intact and normal zonules to those areas of zonular weakness or absence. By increasing overall bag stability, the risk of intraoperative complications is reduced. In addition, the tension imparted to the entire bag with a CTR decreases postoperative capsular contraction (phimosis) as well as posterior capsular opacification and improves IOL centration. CTRs have no effect on the refractive results of cataract surgery. Whether or not a CTR will decrease the rate of late IOL/bag subluxation is still being evaluated and debated. In order to be most effective, the CTR should be larger in diameter than the capsular bag. Ultrasound biomicroscopy has shown that a correctly placed CTR lies between the IOL haptic and the ciliary body with no iris touch and that its position is stable, safe and consistent.


 

EYEJET CTR Type 14

Size (open)12.3 mm
Size (compressed)10.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialCLEAR PMMA
Direction of ImplantationRIGHT (clockwise) 
LEFT (counter clockwise)
Media

Surgery Video
Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 14C

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialCLEAR PMMA
Direction of ImplantationRIGHT (clockwise) 
LEFT (counter clockwise)
Media

Surgery Video
Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 14A

Size (open)14.5 mm
Size (compressed)12.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialCLEAR PMMA
Direction of ImplantationRIGHT (clockwise) 
LEFT (counter clockwise)
Media

Surgery Video
Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 13

Size (open)12.3 mm
Size (compressed)10.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialBLUE PMMA
Direction of ImplantationRIGHT (clockwise)
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
Media

Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 13A

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialBLUE PMMA
Direction of ImplantationRIGHT (clockwise)
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
Media

Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 13B

Size (open)14.5 mm
Size (compressed)12.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialBLUE PMMA
Direction of ImplantationRIGHT (clockwise)
FeatureOne bent eyelet, which reduces a possible puncturing (bulging) of the capsular bag when being rotated into the bag
Media

Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 19D

Size (open)11.6 mm
Size (compressed)10.0 / 9.5 / 9.0 / 8.5 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialCLEAR PMMA
Direction of ImplantationRIGHT (clockwise)
FeatureLocking mechanism
Reduces PCO
NoteAvailable only preloaded 
Media

Implantation Video
Handling Video EYEJET CTR
Info EYEJET CTR

 

EYEJET CTR Type 10C

Size (open)12.1 mm
Size (compressed)11.0 mm
Zonular Damageup to 4 hours (120°)
Incision2.2 mm
MaterialCLEAR PMMA
Direction of ImplantationRIGHT (clockwise)
FeatureEight indentations of 0.15 mm simplifies removal of the cortex tissue.
NoteAvailable only preloaded 
Media

Handling Video EYEJET CTR
Info EYEJET CTR

CIONNI RINGS FOR SCLERAL FIXATION

Cionni Rings For Scleral Fixation are CTRs with additional fixation eyelets to allow the entire ring to be fixated permanently to the sclera with sutures. The suturing eyelets are positioned slightly anterior to the ring, allowing the ring to be placed into the capsular bag while the eyelets remain anterior to the capsule. This configuration allows suturing of the ring to the scleral wall by means of the eyelet without compromising the integrity of the capsular bag. There are different models available to provide more versatility in placement of scleral fixation depending on the extent and area of zonular weakness.


 

Type 1G

Size (open)12.2 mm
Size (compressed)10.0 mm
Zonular Damage> 4 hours (120°)
ACCC*6.0 mm
Suturable Armsone
Injector (recommendation)Cannot be implanted with an injector!
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
 

Type 1L

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damage> 4 hours (120°)
ACCC*7.0 mm
Suturable Armsone
Injector (recommendation)Cannot be implanted with an injector!
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
MediaSurgery Video
 

Type 1S

Size (open)10.66 mm
Size (compressed)8.5 mm
Zonular Damage> 4 hours (120°)
ACCC*6.0 mm
Suturable Armsone
Injector (recommendation)Cannot be implanted with an injector!
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
 

Type 2C

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damage> 4 hours (120°)
ACCC*7.0 mm
Suturable Armsone
Injector (recommendation)GEUDER G-32960
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
MediaSurgery Video
 

EYEJET CTR Type 10L - PRELOADED

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damage> 4 hours (120°)
ACCC*7.0 mm
Suturable Armsone
Incision2.2 mm
Direction of ImplantationRIGHT (clockwise)
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
NoteAvailable only preloaded 
MediaHandling Video EYEJET CTR
 

Type 2L

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damage> 6 hours (180°)
ACCC*7.0 mm
Suturable Armstwo
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
NoteCannot be implanted with an injector!
 

Type 2S

Size (open)13.0 mm
Size (compressed)11.0 mm
Zonular Damage> 6 hours (120°)
ACCC*5.0 mm
Suturable Armstwo
Material 

CLEAR PMMA

FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
NoteCannot be implanted with an injector!

* Anterior Continuous Curvilinear Capsulorhexis

CAPSULAR SEGMENTS FOR SCLERAL FIXATION

Capsular Segments For Scleral Fixation are created for patients with extensive and/or progressive zonular loss. The partial PMMA ring segment traces a 120° arc with a radius of 4.5 or 5.0 mm and an anteriorly positioned fixation eyelet. Unlike the CTR and MCTR, the CTS can be used in cases where a discontinuous capsulorhexis, an anterior capsule tear or a posterior capsule tear is present, as it does not generate a 360° expansile force. Multiple CTS’ can be used if necessary. The CTS provides support in the area of fixation and has to be combined with a CTR or MCTR when circumferential support is required. The CTS may also be used for intraoperative support and removed prior to completion of the surgery.


 

Type 6D

Total Diameter9.5 mm
Angle120°
Zonular Damage> 4 hours (120°)
ACCC*5.0 mm
Suturable Armsone
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
MediaSurgery Video
 

Type 9L

Total Diameter11.34 mm
Angle120°
Zonular Damage> 4 hours (120°)
ACCC*5.0 mm
Suturable Armstwo
Material CLEAR PMMA
FixationWe recommend the use of 9-0 double armed prolene sutures with spatula needles
MediaSurgery Video
ArticlesNew capsular tension segment with 2-point fixation for zonular weakness - J CATARACT REFRACT SURG - VOL 43, MAY 2017

* Anterior Continuous Curvilinear Capsulorhexis

CAPSULAR EDGE RINGS
 

Type 1B

Size (open)11.5 mm
Size (compressed)10.0 mm
Width0.7 mm
Bulbus Length> 21.0 mm
Injector (recommendation)GEUDER G-32965
Material CLEAR PMMA
FeatureReduces PCO
NoteChoose your IOL 0.5 D lower if using the ring!
 

Type 1C

Size (open)10.5 mm
Size (compressed)9.0 mm
Width0.7 mm
Bulbus Length< 21.0 mm
Injector (recommendation)GEUDER G-32965
Material CLEAR PMMA
FeatureReduces PCO
NoteChoose your IOL 0.5 D lower if using the ring!
 

Type 1D

Size (open)9.3 mm
Size (compressed)8.0 mm
Width0.7 mm
Bulbus LengthShort eyes
Injector (recommendation)GEUDER G-32965
Material CLEAR PMMA
FeatureReduces PCO
NoteChoose your IOL 0.5 D lower if using the ring!