Evidence map›Paper›PMID 41498320›Full record

ArticleIndian journal of ophthalmology2026

Spectral-domain optical coherence tomography characteristics in patients with transfusion-dependent thalassemia.

Yesha Gupta, Shruti Kakkar, Bolajoko A Adewara, Amita S Verma, Ritesh Verma

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Article in Indian journal of ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Yesha GuptaDepartment of Ophthalmology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India.
Shruti KakkarDepartment of Clinical Hematology and Department of Pediatrics, Christian Medical College and Hospital, Ludhiana, Punjab, India.
Bolajoko A AdewaraDepartment of Ophthalmology, Obafemi Awolowo University, Ile-Ife, Nigeria.
Amita S VermaDepartment of Pediatrics, Dayanand Medical College and Hospital, Ludhiana, Punjab, India.
Ritesh VermaDepartment of Ophthalmology, Dayanand Medical College and Hospital, Ludhiana, Punjab, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposePatients with transfusion-dependent thalassemia (TDT) are at risk of neuroretinal changes due to chronic anemia, hypoxia, iron overload, and chelation therapy. This study aims to compare central macular thickness (CMT), macular ganglion cell layer thickness (GCL), and peripapillary retinal nerve fiber layer (RNFL) measured using spectral-domain optical coherence tomography (SD-OCT) in TDT patients with controls.

methodsThis is a cross-sectional study of 170 eyes of 85 TDT patients between 5 and 30 years and 170 eyes of 85 controls with similar age ranges and sex distribution. Demographic characteristics, systemic characteristics, and SD-OCT-measured CMT, GCL thickness, and global and quadrant-wise peripapillary RNFL thickness were recorded.

resultsThere were 52 (61.2%) male and 33 (38.8%) female cases and 36 (42.4%) male and 49 (57.6%) female controls. The median age of TDT patients was 18 years (range: 6-30 years), while that of the controls was 21 years (range: 7-28 years). The mean GCL ( P = 0.002) and global ( P = 0.008), inferior ( P = 0.013), temporal ( P = 0.016), and nasal ( P = 0.023) RNFLs were thicker in controls than in TDT patients. There was no difference in CMT ( P = 0.495) and superior RNFL ( P = 0.303) between TDT patients and controls.

conclusionWhile no significant differences were observed in CMT or superior RNFL between the two groups, controls demonstrated greater GCL and RNFL thickness in three quadrants compared to TDT patients. These findings suggest the possibility of subtle neuroretinal alterations in TDT that may not yet be clinically evident. Larger longitudinal studies are recommended to validate these findings.

Indexed as

Blood TransfusionMacula LuteaNerve FibersRetinal DiseasesRetinal Ganglion CellsThalassemiaTomography, Optical CoherenceAdolescentAdultChildChild, PreschoolCross-Sectional StudiesFemaleHumansMaleRetrospective StudiesCentral macular thicknessganglion cell layer thicknessoptical coherence tomographyretinal nerve fiber layer thicknesstransfusion-dependent thalassemia

Identifiers

PMID41498320
PMCPMC13422783

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