Inferensys

Integration

AI Integration for Philips IntelliSpace Ophthalmology

A practical technical guide for embedding AI into Philips' ophthalmology PACS to automate disease detection, track treatment response, and generate integrated reports, directly within the clinician's diagnostic workflow.
Operations team reviewing AI workflow automation on laptop, workflow builder visible, casual office setup.
ARCHITECTURE AND ROLLOUT

Where AI Fits in the Ophthalmology PACS Workflow

A practical blueprint for embedding AI into the Philips IntelliSpace Ophthalmology workflow, focusing on high-impact clinical and operational integration points.

AI integrates into Philips IntelliSpace Ophthalmology at three primary workflow layers: image ingestion and triage, diagnostic review and reporting, and longitudinal tracking. At ingestion, AI algorithms can automatically analyze incoming DICOM studies from OCT, fundus cameras, and visual field testers, tagging studies with preliminary findings (e.g., suspected diabetic retinopathy, glaucoma progression flag) and prioritizing the worklist. This connects via the PACS's Universal Data Manager or AI Orchestrator APIs, allowing critical cases to surface first. During the diagnostic review, AI findings can be presented as structured overlays or sidecar annotations within the viewer, providing quantitative measurements (central subfield thickness, cup-to-disc ratio) and visual prompts that the ophthalmologist can accept, modify, or reject directly within their native reading environment.

The most significant impact is in structured reporting and longitudinal analysis. AI can auto-populate specific fields in the Ophthalmology Structured Report templates, pulling quantified data from the image analysis. For example, an AI model analyzing an OCT scan can automatically fill the retinal layers thickness table, while a fundus photo analysis can suggest a DR severity grade or AREDS classification. This shifts documentation from manual entry to verification. For follow-up visits, AI enables automated comparison, highlighting interval changes in lesion size or retinal thickness across prior exams stored in the Vendor Neutral Archive (VNA), turning a manual search-and-compare task into an instant visual delta report.

A production rollout requires a phased, governance-first approach. Start with a non-diagnostic, assistive use case like automated image quality control or measurements to build clinician trust and validate the integration pipeline. Implement a human-in-the-loop approval step where all AI suggestions require active acceptance before being committed to the final report, creating a clear audit trail. Architecturally, AI inference should run in a secure, containerized environment (on-premise or cloud) that receives studies via DICOMweb STOW-RS, processes them, and returns results as DICOM Structured Reports (SR) or via a dedicated API. This keeps the core PACS stable while allowing AI models to be updated independently. Successful integration is less about the algorithm's accuracy and more about its seamless, non-disruptive fit into the ophthalmologist's existing diagnostic ritual.

AI INTEGRATION BLUEPRINT

Key Integration Surfaces in IntelliSpace Ophthalmology

Core DICOM and Non-DICOM Workflows

The Universal Data Manager (UDM) serves as the primary integration point for ingesting and routing ophthalmic images. AI models connect here to analyze incoming studies from modalities like OCT, fundus cameras, and visual field analyzers. For non-DICOM data, custom HL7 ORU messages can be configured to carry AI-generated findings.

Key integration actions include:

  • Pre-fetch & Prioritization: Trigger AI analysis on study arrival to add urgency flags (e.g., referable_dr=true) to the worklist.
  • Structured Report Attachment: Append AI results as DICOM Structured Reports (SR) or PDF annotations linked to the original series.
  • Longitudinal Comparison: Use the platform's prior comparison tools to overlay AI metrics (e.g., retinal thickness maps) from previous visits for progression tracking.
PHILIPS INTELLISPACE OPHTHALMOLOGY

High-Value AI Use Cases for Ophthalmology

Integrating AI directly into Philips IntelliSpace Ophthalmology transforms the diagnostic workflow, enabling automated analysis of retinal images and functional tests to support faster, more consistent clinical decisions.

01

Automated Diabetic Retinopathy Screening

AI analyzes color fundus photos ingested into IntelliSpace, automatically grading for referable diabetic retinopathy (RDR). Positive cases are flagged and prioritized on the worklist, with AI findings and confidence scores embedded directly into the structured report template for clinician verification. This moves screening from a manual, batch-review process to a real-time, prioritized workflow.

Batch -> Real-time
Screening workflow
02

Glaucoma Progression Tracking

Integrate AI models that quantify optic nerve head parameters from OCT and fundus images. The AI compares current and prior studies within the IntelliSpace viewer, automatically calculating progression metrics (e.g., RNFL thickness change). Results are presented as an overlay or side-panel, providing quantitative, longitudinal support for treatment decisions and reducing manual measurement variability.

Reduce manual variability
Clinical impact
03

Macular Edema Quantification & Monitoring

For OCT scans, an integrated AI service performs automated segmentation of retinal layers and fluid compartments (IRF, SRF). Key quantitative data—central subfield thickness, total fluid volume—is extracted and populated into the report. This supports objective treatment response tracking for anti-VEGF therapy, turning qualitative assessments into structured, auditable data points within the patient's imaging record.

Objective metrics
For treatment tracking
04

Prioritized Worklist for Urgent Findings

AI acts as a pre-read triage engine. As studies arrive in IntelliSpace, AI algorithms scan for critical or urgent findings—such as retinal detachment, vitreous hemorrhage, or significant macular pathology—and automatically elevate those studies to the top of the subspecialist's worklist. Integration is via DICOM SR or a custom API, triggering HL7 alerts if configured for immediate notification.

Same-day review
For critical cases
05

Integrated Reporting with AI-Generated Drafts

Leverage the Philips reporting module by having AI generate a structured findings draft based on image analysis. For a diabetic macular edema case, the draft would include quantified OCT metrics, a DR grade from fundus photos, and suggested impression language. The ophthalmologist reviews, edits, and finalizes within the same interface, cutting dictation time and ensuring AI insights are captured in the final note.

Hours -> Minutes
Report drafting
06

Multi-modal Synthesis for Complex Cases

For patients with overlapping pathologies, integrate an AI orchestrator that correlates findings across modalities (OCT, OCT-A, fundus photos, visual fields). The system synthesizes a unified analysis, highlighting concordant or discordant findings—e.g., correlating a visual field defect with OCT RNFL thinning. This 'second reader' context is presented within IntelliSpace to support comprehensive case review and differential diagnosis.

Holistic view
Cross-modality context
FOR PHILIPS INTELLISPACE OPHTHALMOLOGY

Example AI-Enhanced Clinical Workflows

These concrete workflows demonstrate how AI models can be embedded into the Philips IntelliSpace Ophthalmology PACS to automate repetitive analysis, surface critical findings, and support integrated reporting—without disrupting the clinician's diagnostic routine.

Trigger: A new color fundus photograph (CFP) study is ingested into the IntelliSpace Ophthalmology PACS via DICOM.

Context/Data Pulled: The PACS routes the study to a configured AI inference service, sending the DICOM series UID and patient metadata (age, diabetes status from prior reports if available via HL7).

Model/Agent Action: A regulatory-cleared DR screening AI model analyzes the image, generating a structured DICOM SR (Structured Report) containing:

  • Severity grade (No DR, Mild, Moderate, Severe, Proliferative).
  • Confidence score.
  • Bounding boxes for microaneurysms, hemorrhages, or neovascularization.
  • Recommendation (e.g., "Routine follow-up in 12 months," "Refer to ophthalmologist within 3-6 months," "Urgent referral").

System Update/Next Step: The DICOM SR is sent back to the PACS and linked to the original study. The worklist for the reading ophthalmologist or screening coordinator is automatically prioritized. Studies flagged for "Urgent referral" are pushed to the top of the list and can trigger an in-app alert or an HL7 ADT message to the scheduling system.

Human Review Point: The clinician reviews the image alongside the AI overlay and structured report. They can accept, modify, or reject the AI findings, with their final assessment saved as an amendment to the SR, creating a feedback loop for model performance monitoring.

BLUEPRINT FOR PRODUCTION

Implementation Architecture: Data Flow & System Design

A secure, auditable data flow connecting AI models to Philips IntelliSpace Ophthalmology's diagnostic workflow.

The integration architecture is built around the DICOM Modality Worklist and DICOM Store services within IntelliSpace Ophthalmology. When a new study (e.g., OCT, fundus photo, visual field) is acquired and sent to the PACS, a secure listener service triggers an AI inference pipeline. This pipeline extracts the relevant DICOM series, anonymizes the data for processing, and routes it to the appropriate containerized AI model—such as a diabetic retinopathy grader, glaucoma progression analyzer, or macular edema quantifier. Results are packaged as DICOM Structured Reports (SR) or DICOM Segmentation objects and sent back to the PACS, where they are stored as secondary captures linked to the original study.

For the ophthalmologist, AI findings are surfaced directly within the IntelliSpace review workstation. This is achieved via a custom hanging protocol or a side-panel widget that displays key metrics (e.g., DR severity score, RNFL thickness maps, lesion heatmaps) alongside the native images. Critical findings can trigger HL7 ADT messages to update the patient's record in the EHR or flag the case for urgent review. The entire data flow is logged, with audit trails tracking study accession numbers, AI model versions, inference timestamps, and user interactions for compliance and MDR/CE marking.

Rollout follows a phased, governance-first approach. We typically start with a non-diagnostic pilot in a QA or clinical research module, using AI for quantitative measurements (e.g., central subfield thickness) to validate accuracy and workflow fit. Post-pilot, the integration is deployed to a single clinic or reading center, with AI outputs presented as "second reader" suggestions that require ophthalmologist verification and sign-off. This human-in-the-loop design builds clinical trust and generates the labeled data needed for continuous model validation. Governance is managed through a dedicated dashboard for monitoring AI performance, drift detection, and access controls, ensuring the system operates within the defined intended use.

PHILIPS INTELLISPACE OPHTHALMOLOGY

Code & Payload Examples for Key Integration Points

Automating AI Analysis on New Studies

When a new OCT or fundus photo is stored in the IntelliSpace Ophthalmology PACS, a DICOM listener can trigger an AI inference pipeline. This is typically done via a DICOM C-STORE SCP service or by monitoring the Universal Data Manager (UDM) events. The payload sent to the AI service includes the Study Instance UID and Series Instance UID for retrieval, along with the requested analysis type (e.g., dr_grading, glaucoma_progression).

python
# Example: Python service listening for DICOM storage events
from pynetdicom import AE, evt, StoragePresentationContexts
import requests

def handle_store(event):
    """Trigger AI analysis when a retinal study is stored."""
    ds = event.dataset
    # Filter for ophthalmic modalities
    if ds.Modality in ('OCT', 'OP', 'OPV'):  # OCT, Ophthalmic Photography, Visual Field
        ai_payload = {
            "study_uid": ds.StudyInstanceUID,
            "series_uid": ds.SeriesInstanceUID,
            "modality": ds.Modality,
            "ai_workflow": "retinal_screening",
            "callback_url": "https://your-pacs/callback/ai-results"
        }
        # Dispatch to AI orchestration service
        requests.post('https://ai-orchestrator/analyze', 
                      json=ai_payload, 
                      headers={'Authorization': 'Bearer YOUR_API_KEY'})
    return 0x0000  # Success status

# Configure and start the DICOM listener
ae = AE(ae_title='AI_GATEWAY')
ae.supported_contexts = StoragePresentationContexts
ae.start_server(('', 11112), evt.EVT_C_STORE, handle_store)

This pattern ensures AI analysis begins immediately after image acquisition, enabling parallel workflows where results are ready when the ophthalmologist opens the study.

AI-ENHANCED OPHTHALMOLOGY WORKFLOWS

Realistic Time Savings & Operational Impact

This table illustrates the directional impact of integrating AI into Philips IntelliSpace Ophthalmology workflows, focusing on measurable efficiency gains and operational improvements for clinical and administrative staff.

Workflow / TaskBefore AI IntegrationAfter AI IntegrationImplementation & Impact Notes

Diabetic Retinopathy Screening Review

Manual grading of fundus photos (5-10 mins per eye)

AI pre-grading with flagged cases for review (1-2 mins per patient)

AI provides a severity score and highlights microaneurysms/exudates; clinician confirms. Reduces screening backlog.

OCT Macular Edema Quantification

Manual caliper measurements on B-scans (8-12 mins per scan)

Automated retinal layer segmentation & fluid volume calculation (2-3 mins)

AI generates precise, reproducible measurements for treatment response tracking; integrates directly into structured report.

Glaucoma Progression Analysis

Visual comparison of sequential OCT RNFL/GCC maps (6-9 mins)

AI-powered trend analysis with deviation alerts (2 mins)

System highlights statistically significant changes in thickness maps, allowing faster decision on treatment adjustment.

Visual Field Test Interpretation

Pattern deviation map review and manual scoring (7-10 mins)

AI-assisted defect classification and severity indexing (3-4 mins)

AI suggests defect patterns (e.g., arcuate, nasal step) and calculates MD/PSD, aiding in staging and report drafting.

Prior Study Comparison for New Visit

Manual retrieval and side-by-side review of historical images (5-7 mins)

AI auto-retrieval with side-by-side display and change detection overlay (1-2 mins)

Reduces clinician cognitive load by surfacing relevant priors and visually highlighting interval changes.

Structured Report Draft Generation

Manual entry of measurements and findings into template (4-6 mins)

AI auto-populates quantitative data and suggests narrative findings (1 min review/edit)

Pulls AI-generated measurements and standard language into report; clinician edits and finalizes, cutting dictation time.

Referral Triage & Prioritization

First-in, first-out queue or manual flagging by staff

AI-driven urgency scoring based on findings severity (e.g., proliferative DR, wet AMD)

Critical cases routed to top of worklist; enables same-day review for high-risk patients instead of next-day.

HIPAA-COMPLIANT AI DEPLOYMENT

Governance, Security, and Phased Rollout

A practical framework for implementing AI in Philips IntelliSpace Ophthalmology with controlled risk and measurable impact.

Integrating AI into a diagnostic PACS like IntelliSpace Ophthalmology requires a security-first architecture that respects clinical workflows. The core integration typically connects via Philips' AI Orchestrator or Universal Data Manager (UDM) APIs, using DICOMweb for image retrieval and HL7 FHIR or DICOM Structured Reporting (SR) to send AI findings back into the patient record. All data in transit and at rest must be encrypted, and AI inference should occur in a HIPAA-aligned cloud environment or an on-premises GPU cluster, never sending Protected Health Information (PHI) to unauthorized third-party models. Access to AI tools and results should be governed by the same role-based access control (RBAC) matrix used in IntelliSpace, ensuring only credentialed ophthalmologists and technicians can view or act on AI-generated annotations and reports.

A phased rollout mitigates risk and builds clinician trust. Phase 1 (Silent Mode): AI algorithms for diabetic retinopathy screening or glaucoma progression analysis run in the background on historical OCT and fundus photography studies. Findings are logged to an audit dashboard without altering the clinical workspace, allowing validation of AI performance against ground-truth diagnoses. Phase 2 (Assistive Mode): For a pilot group of clinicians, AI results appear as non-interruptive overlays or a separate findings panel within the IntelliSpace viewer. This supports workflows like macular edema quantification or drusen detection, where the AI provides measurements and outlines for the ophthalmologist to review, adjust, and accept into the final report. Phase 3 (Integrated Workflow): AI-driven prioritization is enabled, automatically flagging studies with high-confidence critical findings (e.g., suspected retinal detachment) to the top of the worklist. AI-generated draft reports, populated with structured data like central subfield thickness or RNFL thickness maps, become the starting point for finalization, cutting report turnaround from hours to minutes.

Ongoing governance is critical. Establish a multidisciplinary AI committee (ophthalmologists, IT, compliance) to review algorithm performance, drift, and clinical impact quarterly. Implement a human-in-the-loop feedback mechanism where clinician corrections within IntelliSpace are used to retrain and improve the AI models. All AI interactions must generate immutable audit logs traceable to the user, study, and AI model version for compliance and MIPS reporting. Start with a single, high-value use case—like automated disease detection in retinal images—to demonstrate clear ROI in reduced manual screening time before expanding to more complex workflows like treatment response tracking across longitudinal studies.

AI INTEGRATION FOR PHILIPS INTELLISPACE OPHTHALMOLOGY

FAQ: Technical & Commercial Integration Questions

Practical answers for architects and clinical leaders planning AI integration into Philips' ophthalmology PACS, covering workflows, security, rollout, and ROI.

AI embeds into the diagnostic workflow at three key points, triggered by study arrival in the PACS.

  1. Trigger & Pre-fetch: A new DICOM study (OCT, fundus photo, visual field) arrives in the Universal Data Manager (UDM). A DICOM listener or HL7 ORU message triggers the AI pipeline.
  2. Context & Analysis: The AI service retrieves the study via DICOMweb. For longitudinal analysis, it may also fetch prior exams for the same patient using the Patient ID and Study Date. The AI model runs analysis (e.g., DR grading, macular edema quantification, RNFL thinning detection).
  3. Result Delivery: Results are sent back as a DICOM Structured Report (SR) or as discrete data via HL7 to the PACS database. They are linked to the original study.
  4. Clinician Review: The ophthalmologist opens the study in IntelliSpace. AI findings appear as an overlay on the image, a side-panel summary, or auto-populate fields in the reporting module (IntelliSpace Reporting). The radiologist reviews, verifies, and incorporates findings into the final report.
  5. Human Review Point: The AI output is always presented as an aid. The clinician must actively accept, modify, or reject the AI-suggested findings before final sign-off, maintaining clinical governance.
Prasad Kumkar

About the author

Prasad Kumkar

CEO & MD, Inference Systems

Prasad Kumkar is the CEO & MD of Inference Systems and writes about AI systems architecture, LLM infrastructure, model serving, evaluation, and production deployment. Over 5+ years, he has worked across computer vision models, L5 autonomous vehicle systems, and LLM research, with a focus on taking complex AI ideas into real-world engineering systems.

His work and writing cover AI systems, large language models, AI agents, multimodal systems, autonomous systems, inference optimization, RAG, evaluation, and production AI engineering.