| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Phototherapy of newborn | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photochemotherapy with tar and petrolatum | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of subretinal lesion (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Light therapy | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Phototherapy - NEC | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of skin (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| General actinotherapy | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Percutaneous photodynamic therapy of lesion of bile duct (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Light therapy for inflammation (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photochemotherapy with petrolatum and ultraviolet B | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of skin (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photosensitivity test | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Broad band source phototest | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Extracorporeal photopheresis | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| PUVA test | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Lesion provocation phototest | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photochemotherapy with tar and ultraviolet B | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Percutaneous photodynamic therapy of lesion of bile duct (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 2 | 
| Photodynamic therapy of subretinal lesion (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 2 | 
| Monochromator phototest | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photochemotherapy with petrolatum and ultraviolet B | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of skin of whole body (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Phototherapy of skin (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Intermittent phototherapy (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Intermittent phototherapy (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of skin of whole body (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of neovascular membrane of choroid (procedure) | Using energy (attribute) | False | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of neovascular membrane of choroid (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Effect of exposure to light (finding) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of chorioretinal lesion (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 2 | 
| Hair defect with photosensitivity and intellectual disability syndrome (disorder) | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Occupational phototoxic reaction to skin contact with exogenous photoactive agent (disorder) | Causative agent | False | Light | Inferred relationship | Some | 4 | 
| Welders' keratitis | Causative agent | False | Light | Inferred relationship | Some | 2 | 
| Snow blindness | Causative agent | False | Light | Inferred relationship | Some | 3 | 
| Photokeratitis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Flash burn of eye | Causative agent | False | Light | Inferred relationship | Some | 1 | 
| Disseminated superficial actinic porokeratosis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of lesion of skin (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Drug-induced photosensitivity | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Drug-induced persistent light reaction | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Phototoxic drug eruption | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Ataxia, photosensitivity, short stature syndrome | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Photoaggravation of disorder (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photoaggravated rosacea (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photoaggravated psoriasis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Retinal light toxicity (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Intranasal phototherapy | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Intense pulsed light therapy | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Hypertrophic solar keratosis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Bowenoid actinic keratosis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Bowenoid actinic keratosis | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Lichenoid actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Acantholytic actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Atrophic actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Proliferative actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving scalp (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving face (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving hands (disorder) | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Multiple actinic keratoses involving hands (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving lower limbs (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving lower limbs (disorder) | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Diffuse actinic hyperkeratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Actinic keratosis of eyelid (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving forehead and temples (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Multiple actinic keratoses involving forehead and temples (disorder) | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Pigmented actinic keratosis (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Hyperkeratotic actinic keratosis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, papular type | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, papular type | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Polymorphous light eruption, papulovesicular type | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, papulovesicular type | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Polymorphous light eruption, diffuse erythematous type | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, diffuse erythematous type | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Polymorphous light eruption, plaque type | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, plaque type | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Polymorphic light eruption | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphic light eruption | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Polymorphous light eruption, eczematous type | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Polymorphous light eruption, eczematous type | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Juvenile spring eruption | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Juvenile spring eruption | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Photokeratitis of bilateral eyes (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photokeratitis of bilateral eyes (disorder) | Causative agent | True | Light | Inferred relationship | Some | 2 | 
| Intense pulsed light therapy of eyelid | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Photodynamic therapy of chorioretinal lesion (procedure) | Using energy (attribute) | True | Light | Inferred relationship | Some | 1 | 
| Phototherapy skin rash | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Pain provoked by light (finding) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Photokeratitis of left eye (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Right photokeratitis | Causative agent | True | Light | Inferred relationship | Some | 1 | 
| Transient vision loss caused by light (disorder) | Causative agent | True | Light | Inferred relationship | Some | 1 |