| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Congenital cortical cataract of left eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Congenital cortical cataract of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Congenital cortical cataract of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Minor opacity of right cornea (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Minor opacity of left cornea (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Coralliform cataract (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cataract due to drug induced diabetes mellitus (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cutis laxa-corneal clouding-oligophrenia syndrome | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Hutterite type cataract (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Pulverulent cataract (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Sclerocornea of bilateral corneas (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Sclerocornea of bilateral corneas (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Corneal scars and opacities | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Localised cataract opacities due to and following traumatic injury | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Microcephaly, congenital cataract, psoriasiform dermatitis syndrome | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Severe neurodevelopmental disorder with feeding difficulties, stereotypic hand movement, bilateral cataract | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Severe neurodevelopmental disorder with feeding difficulties, stereotypic hand movement, bilateral cataract | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Needling of secondary cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Erysiphake extraction of cataract by inferior temporal route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by curette evacuation | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by rotoextraction with aspiration (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cryoextraction of cataract by intracapsular approach | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extracapsular extraction of cataract by rotoextraction with aspiration by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by emulsification with aspiration | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by emulsification with aspiration | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Aspiration of cataract by phacoemulsification | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Discission of membranous cataract, primary | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Discission of congenital cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Discission of membranous cataract, secondary | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Cataract surgery | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Bimanual phacoemulsification (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Coaxial phacoemulsfication (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Torsional phacoemulsification (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Complicated cataract surgery (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Cataract extraction and implantation of intraocular lens (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extracapsular extraction of cataract by inferior temporal route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extracapsular extraction of cataract by mechanical fragmentation with aspiration by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extracapsular cataract extraction and insertion of intraocular lens | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Cryoextraction of cataract by inferior temporal route (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Needling of secondary cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Removal of secondary membranous cataract with iridectomy | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Mechanical fragmentation of primary membranous cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of primary membranous cataract by needling | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Mechanical fragmentation of cataract with extraction by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 3 | 
| Mechanical fragmentation of cataract with extraction by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Mechanical fragmentation of cataract with extraction by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of cataract by rotoextraction with aspiration by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of cataract by rotoextraction with aspiration by posterior route | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of primary membranous cataract by excision | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Incisional discission of secondary membranous cataract and anterior hyaloid | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of cataract by rotoextraction with aspiration | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cataract extraction, insertion of intraocular lens and trabeculectomy | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of primary membranous cataract by phacofragmentation | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of primary membranous cataract by mechanical fragmentation | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Small incision phacoemulsification of cataract and insertion of intraocular lens | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of cataract by ultrasonic phacofragmentation | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of cataract by ultrasonic phacofragmentation | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Pars plana lensectomy of cataract (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 3 | 
| Extraction of primary membranous cataract by discission | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Phacoemulsification of cataract with intraocular lens implantation (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Small incision manual extracapsular cataract extraction (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Bimanual phacoemulsification of cataract with intraocular lens implantation (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Bimanual microincisional phacoemulsification of cataract with intraocular lens implantation (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Intracapsular cataract extraction and insertion of intraocular lens (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Intracapsular cataract extraction (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Aspiration of cataract | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Surgery of cataract of left eye (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of cataract and trabeculectomy (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Surgery of cataract of right eye (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Intraocular lens intralenticular opacification (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Congenital corneal leucoma | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cataract due to degenerative disorder of eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Calcified age-related cataract (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Capsular age-related cataract (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cataract due to degenerative disorder | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Cataract, growth hormone deficiency, sensory neuropathy, sensorineural hearing loss, skeletal dysplasia syndrome (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Retinitis pigmentosa, juvenile cataract, short stature, intellectual disability syndrome | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Left Soemmerring's ring | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Soemmerring ring of right eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Bilateral Soemmerring's ring | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Bilateral Soemmerring's ring | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Leukoma of cornea of left eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Leukoma of cornea of right eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Leukoma of cornea of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Leukoma of cornea of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Congenital capsular cataract of left eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Right congenital capsular cataract | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Congenital capsular cataract of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Congenital capsular cataract of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Congenital combined form cataract of left eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Congenital combined form cataract of right eye (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Minor opacity of cornea of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Minor opacity of cornea of bilateral eyes (disorder) | Associated morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of cataract of bilateral eyes (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Extraction of cataract of bilateral eyes (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 2 | 
| Extraction of cataract of right eye (procedure) | Direct morphology | True | Opacity | Inferred relationship | Some | 1 | 
| Left cataract extraction | Direct morphology | True | Opacity | Inferred relationship | Some | 1 |