Table 2 Ophthalmological and audiological findings in the AGBL5 index cases.

From: Variants in the AGBL5 gene are responsible for autosomal recessive Retinitis pigmentosa with hearing loss

    

Ophthalmological findings

Audiological findings

 

Family ID

Patient ID

Clinical diagnosis

Symptoms onset

Visual Field

Visual acuity

Fundus

Macular involvement

Lens

ERG

HL onset

HL type and severity

PTA

Frequencies

Progression

 

F1

P1 - IT

RP and hearing loss

14 y

n.a.

HM (RE, LE)

vessel attenuation, diffuse RPE dystrophy, BSP in mid-periphery

atrophy

pseudophakia

unrecordable

18 y

moderate SNHL

59 dB (RE, LE)

bilateral, symmetric; sloping audiogram; mainly intermediate-high frequencies (500–8000 Hz)

no

 

F2

P2 - IT

RP and hearing loss

14 y

5° central (RE), n.a. (LE)

0.2 D (RE), HM (LE)

waxy ONH palor, vessel attenuation, diffuse RPE dystrophy, BSP in mid-periphery

atrophy

pseudophakia

unrecordable

post-verbal

mild-to-moderate SNHL

39 dB (RE), 38 dB (LE)

bilateral, symmetric; intermediate frequencies (500–2000 Hz)

no

 

F3

P3 - ES

RP and hearing loss

>10 y

<10° (RE, LE)

0.3 D (RE, LE)

waxy ONH palor, vessel attenuation, pigment deposits in periphery

dystrophy

pseudophakia

n.a.

50 y

moderate SNHL

50 dB (RE), 49 dB (LE)

bilateral, symmetric; sloping audiogram; mainly intermediate-high frequencies (500–8000 Hz)

no

 

F4

P6 - PS

RP and hearing loss

n.a.

n.a.

0.5 D (RE, LE)

vessel attenuation, no BSP

CME

posterior subcapsular cataract

unrecordable

7 y

mild-to-moderate SNHL

39 dB (RE), 46 dB (LE)

low-to-mid frequencies

n.a.

 

F5

P7 - PS

RP and hearing loss

n.a.

n.a.

0.16 D (RE, LE)

vessel attenuation, BSP

no

posterior subcapsular cataract

unrecordable

5 y

moderate SNHL

49 dB (RE, LE)

mild in low and high frequencies, moderate in mid frequencies

n.a.

 

F6

P8 - CH

RP and hearing loss

14 y

<15° (RE, LE)

0.1 D (RE, LE)

foveal and peripapillary atrophy, pathes of atrophy in mid-periphery

atrophy

pseudophakia

unrecordable

not perceived by the patient

subclinical SNHL

19 dB (RE), 15 dB (LE)

high frequencies

n.a.

 

F7

P9 - CH

RP and hearing loss

20 y

<10° visual field (LE); RE enucleated due to phtisis following retinal detachments in early adulthood

1.5 D (LE)

waxy ONH palor, vessel attenuation, peripheral BSP and retinal atrophy

no

pseudophakia

n.a.

congenital

moderate-to-severe SNHL

65 dB (RE), 75 dB (LE)

moderate in low-to-mid frequencies, severe in high frequencies

no

 

F8

P10 - GR

RP and hearing loss

25 y

n.a.

0.16 D (RE), 0.125 D (LE)

vessel attenuation, peripheral outer retinal atrophy and BSP

atrophy

pseudophakia

n.a.

58 y

moderate SNHL

51 dB (RE), 50 dB (LE)

bilateral, flat audiogram

no

  1. BSP Bone spicule pigmentation, CME Cystoid macular edema, D Decimal, HL hearing loss, HM Hand motion, LE Left eye/ear, n.a. not available, ONH optic nerve head, PTA Pure tone average, RE Right eye/ear, RPE Retinal pigment epithelium, SNHL sensorineural hearing loss.